From 4a6480cbb37250e8ed26e4c5891b2a650e27b5ae Mon Sep 17 00:00:00 2001
From: Joel Hegg <jhegg@ebay.com>
Date: Fri, 20 Oct 2017 02:38:35 -0400
Subject: [PATCH] Wipe the original type defintions

---
 types/actions-on-google/actions-sdk-app.d.ts  |  392 -----
 types/actions-on-google/assistant-app.d.ts    | 1383 ----------------
 types/actions-on-google/dialogflow-app.d.ts   |  569 -------
 types/actions-on-google/response-builder.d.ts |  317 ----
 types/actions-on-google/transactions.d.ts     | 1390 -----------------
 5 files changed, 4051 deletions(-)
 delete mode 100644 types/actions-on-google/actions-sdk-app.d.ts
 delete mode 100644 types/actions-on-google/assistant-app.d.ts
 delete mode 100644 types/actions-on-google/dialogflow-app.d.ts
 delete mode 100644 types/actions-on-google/response-builder.d.ts
 delete mode 100644 types/actions-on-google/transactions.d.ts

diff --git a/types/actions-on-google/actions-sdk-app.d.ts b/types/actions-on-google/actions-sdk-app.d.ts
deleted file mode 100644
index 6511ed7f6d..0000000000
--- a/types/actions-on-google/actions-sdk-app.d.ts
+++ /dev/null
@@ -1,392 +0,0 @@
-import { Request, Response } from 'express';
-
-import { AssistantApp, DeviceLocation, SessionStartedFunction, User } from './assistant-app';
-import { Carousel, List, RichResponse, SimpleResponse } from './response-builder';
-import { TransactionDecision } from './transactions';
-
-// ---------------------------------------------------------------------------
-//                   Actions SDK support
-// ---------------------------------------------------------------------------
-
-export interface ActionsSdkAppOptions {
-    request: Request;
-    response: Response;
-    sessionStarted?: SessionStartedFunction;
-}
-
-/**
- * This is the class that handles the conversation API directly from Assistant,
- * providing implementation for all the methods available in the API.
- */
-export class ActionsSdkApp extends AssistantApp {
-    /**
-     * Constructor for ActionsSdkApp object.
-     * To be used in the Actions SDK HTTP endpoint logic.
-     *
-     * @example
-     * const ActionsSdkApp = require('actions-on-google').ActionsSdkApp;
-     * const app = new ActionsSdkApp({request: request, response: response,
-     *   sessionStarted:sessionStarted});
-     *
-     * @param {Object} options JSON configuration.
-     * @param {Object} options.request Express HTTP request object.
-     * @param {Object} options.response Express HTTP response object.
-     * @param {Function=} options.sessionStarted Function callback when session starts.
-     * @actionssdk
-     */
-    constructor(options: ActionsSdkAppOptions);
-
-    /**
-     * Validates whether request is from Assistant through signature verification.
-     * Uses Google-Auth-Library to verify authorization token against given
-     * Google Cloud Project ID. Auth token is given in request header with key,
-     * "Authorization".
-     *
-     * @example
-     * const app = new ActionsSdkApp({request, response});
-     * app.isRequestFromAssistant('nodejs-cloud-test-project-1234')
-     *   .then(() => {
-     *     app.ask('Hey there, thanks for stopping by!');
-     *   })
-     *   .catch(err => {
-     *     response.status(400).send();
-     *   });
-     *
-     * @param {string} projectId Google Cloud Project ID for the Assistant app.
-     * @param {Promise} Promise resolving with ID token if request is from
-     *     a valid source, otherwise rejects with the error reason for an invalid
-     *     token.
-     * @actionssdk
-     */
-    isRequestFromAssistant(projectId: string): Promise<string>;
-
-    /**
-     * Gets the request Conversation API version.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     * const apiVersion = app.getApiVersion();
-     *
-     * @return {string} Version value or null if no value.
-     * @actionssdk
-     */
-    getApiVersion(): string;
-
-    /**
-     * Gets the user's raw input query.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     * app.tell('You said ' + app.getRawInput());
-     *
-     * @return {string} User's raw query or null if no value.
-     * @actionssdk
-     */
-    getRawInput(): string;
-
-    /**
-     * Gets previous JSON dialog state that the app sent to Assistant.
-     * Alternatively, use the app.data field to store JSON values between requests.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     * const dialogState = app.getDialogState();
-     *
-     * @return {Object} JSON object provided to the Assistant in the previous
-     *     user turn or {} if no value.
-     * @actionssdk
-     */
-    getDialogState(): object;
-
-    /**
-     * Gets the "versionLabel" specified inside the Action Package.
-     * Used by app to do version control.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     * const actionVersionLabel = app.getActionVersionLabel();
-     *
-     * @return {string} The specified version label or null if unspecified.
-     * @actionssdk
-     */
-    getActionVersionLabel(): string;
-
-    /**
-     * Gets the unique conversation ID. It's a new ID for the initial query,
-     * and stays the same until the end of the conversation.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     * const conversationId = app.getConversationId();
-     *
-     * @return {string} Conversation ID or null if no value.
-     * @actionssdk
-     */
-    getConversationId(): string;
-
-    /**
-     * Get the current intent. Alternatively, using a handler Map with
-     * {@link AssistantApp#handleRequest|handleRequest}, the client library will
-     * automatically handle the incoming intents.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     *
-     * function responseHandler (app) {
-     *   const intent = app.getIntent();
-     *   switch (intent) {
-     *     case app.StandardIntents.MAIN:
-     *       const inputPrompt = app.buildInputPrompt(false, 'Welcome to action snippets! Say anything.');
-     *       app.ask(inputPrompt);
-     *       break;
-     *
-     *     case app.StandardIntents.TEXT:
-     *       app.tell('You said ' + app.getRawInput());
-     *       break;
-     *   }
-     * }
-     *
-     * app.handleRequest(responseHandler);
-     *
-     * @return {string} Intent id or null if no value.
-     * @actionssdk
-     */
-    getIntent(): string;
-
-    /**
-     * Get the argument value by name from the current intent. If the argument
-     * is not a text argument, the entire argument object is returned.
-     *
-     * Note: If incoming request is using an API version under 2 (e.g. 'v1'),
-     * the argument object will be in Proto2 format (snake_case, etc).
-     *
-     * @param {string} argName Name of the argument.
-     * @return {string} Argument value matching argName
-     *     or null if no matching argument.
-     * @actionssdk
-     */
-    getArgument(argName: string): string;
-
-    /**
-     * Returns the option key user chose from options response.
-     *
-     * @example
-     * const app = new App({request: req, response: res});
-     *
-     * function pickOption (app) {
-     *   if (app.hasSurfaceCapability(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
-     *     app.askWithCarousel('Which of these looks good?',
-     *       app.buildCarousel().addItems(
-     *         app.buildOptionItem('another_choice', ['Another choice']).
-     *         setTitle('Another choice').setDescription('Choose me!')));
-     *   } else {
-     *     app.ask('What would you like?');
-     *   }
-     * }
-     *
-     * function optionPicked (app) {
-     *   app.ask('You picked ' + app.getSelectedOption());
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(app.StandardIntents.TEXT, pickOption);
-     * actionMap.set(app.StandardIntents.OPTION, optionPicked);
-     *
-     * app.handleRequest(actionMap);
-     *
-     * @return {string} Option key of selected item. Null if no option selected or
-     *     if current intent is not OPTION intent.
-     * @actionssdk
-     */
-    getSelectedOption(): string;
-
-    /**
-     * Asks to collect user's input; all user's queries need to be sent to
-     * the app.
-     * {@link https://developers.google.com/actions/policies/general-policies#user_experience|The guidelines when prompting the user for a response must be followed at all times}.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     *
-     * function mainIntent (app) {
-     *   const inputPrompt = app.buildInputPrompt(true, '<speak>Hi! <break time="1"/> ' +
-     *         'I can read out an ordinal like ' +
-     *         '<say-as interpret-as="ordinal">123</say-as>. Say a number.</speak>',
-     *         ['I didn\'t hear a number', 'If you\'re still there, what\'s the number?', 'What is the number?']);
-     *   app.ask(inputPrompt);
-     * }
-     *
-     * function rawInput (app) {
-     *   if (app.getRawInput() === 'bye') {
-     *     app.tell('Goodbye!');
-     *   } else {
-     *     const inputPrompt = app.buildInputPrompt(true, '<speak>You said, <say-as interpret-as="ordinal">' +
-     *       app.getRawInput() + '</say-as></speak>',
-     *         ['I didn\'t hear a number', 'If you\'re still there, what\'s the number?', 'What is the number?']);
-     *     app.ask(inputPrompt);
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(app.StandardIntents.MAIN, mainIntent);
-     * actionMap.set(app.StandardIntents.TEXT, rawInput);
-     *
-     * app.handleRequest(actionMap);
-     *
-     * @param {Object|SimpleResponse|RichResponse} inputPrompt Holding initial and
-     *     no-input prompts.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by App.
-     * @return The response that is sent to Assistant to ask user to provide input.
-     * @actionssdk
-     */
-    ask(inputPrompt: object | SimpleResponse | RichResponse, dialogState?: object): object;
-
-    /**
-     * Asks to collect user's input with a list.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request, response});
-     *
-     * function welcomeIntent (app) {
-     *   app.askWithlist('Which of these looks good?',
-     *     app.buildList('List title')
-     *      .addItems([
-     *        app.buildOptionItem(SELECTION_KEY_ONE,
-     *          ['synonym of KEY_ONE 1', 'synonym of KEY_ONE 2'])
-     *          .setTitle('Number one'),
-     *        app.buildOptionItem(SELECTION_KEY_TWO,
-     *          ['synonym of KEY_TWO 1', 'synonym of KEY_TWO 2'])
-     *          .setTitle('Number two'),
-     *      ]));
-     * }
-     *
-     * function optionIntent (app) {
-     *   if (app.getSelectedOption() === SELECTION_KEY_ONE) {
-     *     app.tell('Number one is a great choice!');
-     *   } else {
-     *     app.tell('Number two is a great choice!');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(app.StandardIntents.TEXT, welcomeIntent);
-     * actionMap.set(app.StandardIntents.OPTION, optionIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {Object|SimpleResponse|RichResponse} inputPrompt Holding initial and
-     *     no-input prompts. Cannot contain basic card.
-     * @param {List} list List built with {@link AssistantApp#buildList|buildList}.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant.
-     * @return The response that is sent to Assistant to ask user to provide input.
-     * @actionssdk
-     */
-    askWithList(inputPrompt: object | SimpleResponse | RichResponse, list: List, dialogState?: object): object;
-
-    /**
-     * Asks to collect user's input with a carousel.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request, response});
-     *
-     * function welcomeIntent (app) {
-     *   app.askWithCarousel('Which of these looks good?',
-     *     app.buildCarousel()
-     *      .addItems([
-     *        app.buildOptionItem(SELECTION_KEY_ONE,
-     *          ['synonym of KEY_ONE 1', 'synonym of KEY_ONE 2'])
-     *          .setTitle('Number one'),
-     *        app.buildOptionItem(SELECTION_KEY_TWO,
-     *          ['synonym of KEY_TWO 1', 'synonym of KEY_TWO 2'])
-     *          .setTitle('Number two'),
-     *      ]));
-     * }
-     *
-     * function optionIntent (app) {
-     *   if (app.getSelectedOption() === SELECTION_KEY_ONE) {
-     *     app.tell('Number one is a great choice!');
-     *   } else {
-     *     app.tell('Number two is a great choice!');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(app.StandardIntents.TEXT, welcomeIntent);
-     * actionMap.set(app.StandardIntents.OPTION, optionIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {Object|SimpleResponse|RichResponse} inputPrompt Holding initial and
-     *     no-input prompts. Cannot contain basic card.
-     * @param {Carousel} carousel Carousel built with
-     *      {@link AssistantApp#buildCarousel|buildCarousel}.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant.
-     * @return The response that is sent to Assistant to ask user to provide input.
-     * @actionssdk
-     */
-    askWithCarousel(inputPrompt: object | SimpleResponse | RichResponse, carousel: Carousel, dialogState?: object): object;
-
-    /**
-     * Tells Assistant to render the speech response and close the mic.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     *
-     * function mainIntent (app) {
-     *   const inputPrompt = app.buildInputPrompt(true, '<speak>Hi! <break time="1"/> ' +
-     *         'I can read out an ordinal like ' +
-     *         '<say-as interpret-as="ordinal">123</say-as>. Say a number.</speak>',
-     *         ['I didn\'t hear a number', 'If you\'re still there, what\'s the number?', 'What is the number?']);
-     *   app.ask(inputPrompt);
-     * }
-     *
-     * function rawInput (app) {
-     *   if (app.getRawInput() === 'bye') {
-     *     app.tell('Goodbye!');
-     *   } else {
-     *     const inputPrompt = app.buildInputPrompt(true, '<speak>You said, <say-as interpret-as="ordinal">' +
-     *       app.getRawInput() + '</say-as></speak>',
-     *         ['I didn\'t hear a number', 'If you\'re still there, what\'s the number?', 'What is the number?']);
-     *     app.ask(inputPrompt);
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(app.StandardIntents.MAIN, mainIntent);
-     * actionMap.set(app.StandardIntents.TEXT, rawInput);
-     *
-     * app.handleRequest(actionMap);
-     *
-     * @param {string|SimpleResponse|RichResponse} textToSpeech Final response.
-     *     Spoken response can be SSML.
-     * @return The HTTP response that is sent back to Assistant.
-     * @actionssdk
-     */
-    tell(textToSpeech: string | SimpleResponse | RichResponse): object;
-
-    /**
-     * Builds the {@link https://developers.google.com/actions/reference/conversation#InputPrompt|InputPrompt object}
-     * from initial prompt and no-input prompts.
-     *
-     * The App needs one initial prompt to start the conversation. If there is no user response,
-     * the App re-opens the mic and renders the no-input prompts three times
-     * (one for each no-input prompt that was configured) to help the user
-     * provide the right response.
-     *
-     * Note: we highly recommend app to provide all the prompts required here in order to ensure a
-     * good user experience.
-     *
-     * @example
-     * const inputPrompt = app.buildInputPrompt(false, 'Welcome to action snippets! Say a number.',
-     *     ['Say any number', 'Pick a number', 'What is the number?']);
-     * app.ask(inputPrompt);
-     *
-     * @param {boolean} isSsml Indicates whether the text to speech is SSML or not.
-     * @param {string} initialPrompt The initial prompt the App asks the user.
-     * @param {Array<string>=} noInputs Array of re-prompts when the user does not respond (max 3).
-     * @return {Object} An {@link https://developers.google.com/actions/reference/conversation#InputPrompt|InputPrompt object}.
-     * @actionssdk
-     */
-    buildInputPrompt(isSsml: boolean, initialPrompt: string, noInputs: string[]): object;
-}
diff --git a/types/actions-on-google/assistant-app.d.ts b/types/actions-on-google/assistant-app.d.ts
deleted file mode 100644
index 3bfd78f514..0000000000
--- a/types/actions-on-google/assistant-app.d.ts
+++ /dev/null
@@ -1,1383 +0,0 @@
-import { Request, Response } from 'express';
-
-import { BasicCard, Carousel, List, OptionItem, RichResponse } from './response-builder';
-import { ActionPaymentTransactionConfig, Cart, GooglePaymentTransactionConfig,
-         LineItem, Location, Order, OrderUpdate, TransactionDecision,
-         TransactionValues } from './transactions';
-
-/**
- * User provided date/time info.
- */
-export interface DateTime {
-    date: {
-        year: number;
-        month: number;
-        day: number;
-    };
-    time: {
-        hours: number;
-        minutes: number;
-        seconds: number;
-        nanos: number;
-    };
-}
-
-/**
- * User's permissioned name info.
- */
-export interface UserName {
-    /** User's display name. */
-    displayName: string;
-    /** User's given name. */
-    givenName: string;
-    /** User's family name. */
-    familyName: string;
-}
-
-/**
- * User's permissioned device location.
- */
-export interface DeviceLocation {
-    /** {latitude, longitude}. Requested with SupportedPermissions.DEVICE_PRECISE_LOCATION. */
-    coordinates: object;
-    /** Full, formatted street address. Requested with SupportedPermissions.DEVICE_PRECISE_LOCATION. */
-    address: string;
-    /** Zip code. Requested with SupportedPermissions.DEVICE_COARSE_LOCATION. */
-    zipCode: string;
-    /** Device city. Requested with SupportedPermissions.DEVICE_COARSE_LOCATION. */
-    city: string;
-}
-
-/**
- * User object.
- */
-export interface User {
-    /** Random string ID for Google user. */
-    userId: string;
-    /** User name information. Null if not requested with {@link AssistantApp#askForPermission|askForPermission(SupportedPermissions.NAME)}. */
-    userName: UserName;
-    /** Unique Oauth2 token. Only available with account linking. */
-    accessToken: string;
-}
-
-/**
- * Actions on Google Surface.
- */
-export interface Surface {
-    /** Capabilities of the surface. */
-    capabilities: Capability[];
-}
-
-/**
- * Surface capability.
- */
-export interface Capability {
-    /** Name of the capability. */
-    name: string;
-}
-
-/**
- * List of standard intents that the app provides.
- * @enum {string}
- */
-export type StandardIntents =
-    /** App fires MAIN intent for queries like [talk to $app]. */
-    'actions.intent.MAIN' | 'assistant.intent.action.MAIN' |
-    /** App fires TEXT intent when action issues ask intent. */
-    'actions.intent.TEXT' | 'assistant.intent.action.TEXT' |
-    /** App fires PERMISSION intent when action invokes askForPermission. */
-    'actions.intent.PERMISSION' | 'assistant.intent.action.PERMISSION' |
-    /** App fires OPTION intent when user chooses from options provided. */
-    'actions.intent.OPTION' |
-    /** App fires TRANSACTION_REQUIREMENTS_CHECK intent when action sets up transaction. */
-    'actions.intent.TRANSACTION_REQUIREMENTS_CHECK' |
-    /** App fires DELIVERY_ADDRESS intent when action asks for delivery address. */
-    'actions.intent.DELIVERY_ADDRESS' |
-    /** App fires TRANSACTION_DECISION intent when action asks for transaction decision. */
-    'actions.intent.TRANSACTION_DECISION' |
-    /** App fires CONFIRMATION intent when requesting affirmation from user. */
-    'actions.intent.CONFIRMATION' |
-    /** App fires DATETIME intent when requesting date/time from user. */
-    'actions.intent.DATETIME' |
-    /** App fires SIGN_IN intent when requesting sign-in from user. */
-    'actions.intent.SIGN_IN' |
-    /** App fires NO_INPUT intent when user doesn't provide input. */
-    'actions.intent.NO_INPUT' |
-    /** App fires CANCEL intent when user exits app mid-dialog. */
-    'actions.intent.CANCEL' |
-    /** App fires NEW_SURFACE intent when requesting handoff to a new surface from user. */
-    'actions.intent.NEW_SURFACE';
-
-/**
- * List of supported permissions the app supports.
- * @enum {string}
- */
-export type SupportedPermissions =
-    /**
-     * The user's name as defined in the
-     * {@link https://developers.google.com/actions/reference/conversation#UserProfile|UserProfile object}
-     */
-    'NAME' |
-    /**
-     * The location of the user's current device, as defined in the
-     * {@link https://developers.google.com/actions/reference/conversation#Location|Location object}.
-     */
-    'DEVICE_PRECISE_LOCATION' |
-    /**
-     * City and zipcode corresponding to the location of the user's current device, as defined in the
-     * {@link https://developers.google.com/actions/reference/conversation#Location|Location object}.
-     */
-    'DEVICE_COARSE_LOCATION';
-
-/**
- * List of built-in argument names.
- * @enum {string}
- */
-export type BuiltInArgNames =
-    /** Permission granted argument. */
-    'PERMISSION' | 'permission_granted' |
-    /** Option selected argument. */
-    'OPTION' |
-    /** Transaction requirements check result argument. */
-    'TRANSACTION_REQUIREMENTS_CHECK_RESULT' |
-    /** Delivery address value argument. */
-    'DELIVERY_ADDRESS_VALUE' |
-    /** Transactions decision argument. */
-    'TRANSACTION_DECISION_VALUE' |
-    /** Confirmation argument. */
-    'CONFIRMATION' |
-    /** DateTime argument. */
-    'DATETIME' |
-    /** Sign in status argument. */
-    'SIGN_IN' |
-    /** Reprompt count for consecutive NO_INPUT intents. */
-    'REPROMPT_COUNT' |
-    /** Flag representing finality of NO_INPUT intent. */
-    'IS_FINAL_REPROMPT' |
-    /** New surface value argument. */
-    'NEW_SURFACE';
-
-/**
- * List of possible conversation stages, as defined in the
- * {@link https://developers.google.com/actions/reference/conversation#Conversation|Conversation object}.
- * @enum {number}
- */
-export type ConversationStages =
-    /**
-     * Unspecified conversation state.
-     */
-    'UNSPECIFIED' | 0 |
-    /**
-     * A new conversation.
-     */
-    'NEW' | 1 |
-    /**
-     * An active (ongoing) conversation.
-     */
-    'ACTIVE' | 2;
-
-/**
- * List of surface capabilities supported by the app.
- * @enum {string}
- */
-export type SurfaceCapabilities =
-    /**
-     * The ability to output audio.
-     */
-    'actions.capability.AUDIO_OUTPUT' |
-    /**
-     * The ability to output on a screen
-     */
-    'actions.capability.SCREEN_OUTPUT';
-
-/**
- * List of possible user input types.
- * @enum {number}
- */
-export type InputTypes =
-    /**
-     * Unspecified.
-     */
-    'UNSPECIFIED' | 0 |
-    /**
-     * Input given by touch.
-     */
-    'TOUCH' | 1 |
-    /**
-     * Input given by voice (spoken).
-     */
-    'VOICE' | 2 |
-    /**
-     * Input given by keyboard (typed).
-     */
-    'KEYBOARD' | 3;
-
-/**
- * List of possible sign in result status values.
- * @enum {string}
- */
-export type SignInStatus =
-    // Unknown status.
-    'SIGN_IN_STATUS_UNSPECIFIED' |
-    // User successfully completed the account linking.
-    'OK' |
-    // Cancelled or dismissed account linking.
-    'CANCELLED' |
-    // System or network error.
-    'ERROR';
-
-export type SessionStartedFunction = () => any;
-
-export interface AssistantAppOptions {
-    request: Request;
-    response: Response;
-    sessionStarted?: SessionStartedFunction;
-}
-
-export type AssistantAppRequestData = () => any;
-
-export type RequestHandler = (app: AssistantApp) => any;
-
-/**
- * The Actions on Google client library AssistantApp base class.
- *
- * This class contains the methods that are shared between platforms to support the conversation API
- * protocol from Assistant. It also exports the 'State' class as a helper to represent states by
- * name.
- */
-export class AssistantApp {
-    /**
-     * The session state.
-     */
-    readonly state: string;
-
-    /**
-     * The session data in JSON format.
-     */
-    readonly data: object;
-
-    /**
-     * List of standard intents that the app provides.
-     * @enum {string}
-     */
-    readonly StandardIntents: {
-        /** App fires MAIN intent for queries like [talk to $app]. */
-        MAIN: StandardIntents,
-        /** App fires TEXT intent when action issues ask intent. */
-        TEXT: StandardIntents,
-        /** App fires PERMISSION intent when action invokes askForPermission. */
-        PERMISSION: StandardIntents,
-        /** App fires OPTION intent when user chooses from options provided. */
-        OPTION: StandardIntents,
-        /** App fires TRANSACTION_REQUIREMENTS_CHECK intent when action sets up transaction. */
-        TRANSACTION_REQUIREMENTS_CHECK: StandardIntents,
-        /** App fires DELIVERY_ADDRESS intent when action asks for delivery address. */
-        DELIVERY_ADDRESS: StandardIntents,
-        /** App fires TRANSACTION_DECISION intent when action asks for transaction decision. */
-        TRANSACTION_DECISION: StandardIntents,
-        /** App fires CONFIRMATION intent when requesting affirmation from user. */
-        CONFIRMATION: StandardIntents,
-        /** App fires DATETIME intent when requesting date/time from user. */
-        DATETIME: StandardIntents,
-        /** App fires SIGN_IN intent when requesting sign-in from user. */
-        SIGN_IN: StandardIntents,
-        /** App fires NO_INPUT intent when user doesn't provide input. */
-        NO_INPUT: StandardIntents,
-        /** App fires CANCEL intent when user exits app mid-dialog. */
-        CANCEL: StandardIntents,
-        /** App fires NEW_SURFACE intent when requesting handoff to a new surface from user. */
-        NEW_SURFACE: StandardIntents,
-    };
-
-    /**
-     * List of supported permissions the app supports.
-     * @enum {string}
-     */
-    readonly SupportedPermissions: {
-        /**
-         * The user's name as defined in the
-         * {@link https://developers.google.com/actions/reference/conversation#UserProfile|UserProfile object}
-         */
-        NAME: SupportedPermissions,
-        /**
-         * The location of the user's current device, as defined in the
-         * {@link https://developers.google.com/actions/reference/conversation#Location|Location object}.
-         */
-        DEVICE_PRECISE_LOCATION: SupportedPermissions,
-        /**
-         * City and zipcode corresponding to the location of the user's current device, as defined in the
-         * {@link https://developers.google.com/actions/reference/conversation#Location|Location object}.
-         */
-        DEVICE_COARSE_LOCATION: SupportedPermissions,
-    };
-
-    /**
-     * List of built-in argument names.
-     * @enum {string}
-     */
-    readonly BuiltInArgNames: {
-        /** Permission granted argument. */
-        PERMISSION_GRANTED: BuiltInArgNames,
-        /** Option selected argument. */
-        OPTION: BuiltInArgNames,
-        /** Transaction requirements check result argument. */
-        TRANSACTION_REQ_CHECK_RESULT: BuiltInArgNames,
-        /** Delivery address value argument. */
-        DELIVERY_ADDRESS_VALUE: BuiltInArgNames,
-        /** Transactions decision argument. */
-        TRANSACTION_DECISION_VALUE: BuiltInArgNames,
-        /** Confirmation argument. */
-        CONFIRMATION: BuiltInArgNames,
-        /** DateTime argument. */
-        DATETIME: BuiltInArgNames,
-        /** Sign in status argument. */
-        SIGN_IN: BuiltInArgNames,
-        /** Reprompt count for consecutive NO_INPUT intents. */
-        REPROMPT_COUNT: BuiltInArgNames,
-        /** Flag representing finality of NO_INPUT intent. */
-        IS_FINAL_REPROMPT: BuiltInArgNames,
-        /** New surface value argument. */
-        NEW_SURFACE: BuiltInArgNames,
-    };
-
-    /**
-     * List of possible conversation stages, as defined in the
-     * {@link https://developers.google.com/actions/reference/conversation#Conversation|Conversation object}.
-     * @enum {number}
-     */
-    readonly ConversationStages: {
-        /**
-         * Unspecified conversation state.
-         */
-        UNSPECIFIED: ConversationStages,
-        /**
-         * A new conversation.
-         */
-        NEW: ConversationStages,
-        /**
-         * An active (ongoing) conversation.
-         */
-        ACTIVE: ConversationStages,
-    };
-
-    /**
-     * List of surface capabilities supported by the app.
-     * @enum {string}
-     */
-    readonly SurfaceCapabilities: {
-        /**
-         * The ability to output audio.
-         */
-        AUDIO_OUTPUT: SurfaceCapabilities,
-        /**
-         * The ability to output on a screen
-         */
-        SCREEN_OUTPUT: SurfaceCapabilities,
-    };
-
-    /**
-     * List of possible user input types.
-     * @enum {number}
-     */
-    readonly InputTypes: {
-        /**
-         * Unspecified.
-         */
-        UNSPECIFIED: InputTypes,
-        /**
-         * Input given by touch.
-         */
-        TOUCH: InputTypes,
-        /**
-         * Input given by voice (spoken).
-         */
-        VOICE: InputTypes,
-        /**
-         * Input given by keyboard (typed).
-         */
-        KEYBOARD: InputTypes,
-    };
-
-    /**
-     * List of possible sign in result status values.
-     * @enum {string}
-     */
-    readonly SignInStatus: {
-        // Unknown status.
-        UNSPECIFIED: SignInStatus,
-        // User successfully completed the account linking.
-        OK: SignInStatus,
-        // Cancelled or dismissed account linking.
-        CANCELLED: SignInStatus,
-        // System or network error.
-        ERROR: SignInStatus,
-    };
-
-    /**
-     * Values related to supporting {@link Transactions}.
-     * @type {object}
-     */
-    readonly Transactions: typeof TransactionValues;
-
-    readonly requestData: AssistantAppRequestData;
-
-    /**
-     * Constructor for AssistantApp object.
-     * Should not be instantiated; rather instantiate one of the subclasses
-     *
-     * {@link ActionsSdkApp} or {@link DialogflowApp}.
-     *
-     * @param {Object} options JSON configuration.
-     * @param {Object} options.request Express HTTP request object.
-     * @param {Object} options.response Express HTTP response object.
-     * @param {Function=} options.sessionStarted Function callback when session starts.
-     * @param {function(): *} requestData Function that returns the
-     *     request data object to be processed.
-     */
-    constructor(options: AssistantAppOptions, requestData: AssistantAppRequestData);
-
-    // ---------------------------------------------------------------------------
-    //                   Public APIs
-    // ---------------------------------------------------------------------------
-
-    /**
-     * Handles the incoming Assistant request using a handler or Map of handlers.
-     * Each handler can be a function callback or Promise.
-     *
-     * @example
-     * // Actions SDK
-     * const app = new ActionsSdkApp({request: request, response: response});
-     *
-     * function mainIntent (app) {
-     *   const inputPrompt = app.buildInputPrompt(true, '<speak>Hi! <break time="1"/> ' +
-     *         'I can read out an ordinal like ' +
-     *         '<say-as interpret-as="ordinal">123</say-as>. Say a number.</speak>',
-     *         ['I didn\'t hear a number', 'If you\'re still there, what\'s the number?', 'What is the number?']);
-     *   app.ask(inputPrompt);
-     * }
-     *
-     * function rawInput (app) {
-     *   if (app.getRawInput() === 'bye') {
-     *     app.tell('Goodbye!');
-     *   } else {
-     *     const inputPrompt = app.buildInputPrompt(true, '<speak>You said, <say-as interpret-as="ordinal">' +
-     *       app.getRawInput() + '</say-as></speak>',
-     *         ['I didn\'t hear a number', 'If you\'re still there, what\'s the number?', 'What is the number?']);
-     *     app.ask(inputPrompt);
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(app.StandardIntents.MAIN, mainIntent);
-     * actionMap.set(app.StandardIntents.TEXT, rawInput);
-     *
-     * app.handleRequest(actionMap);
-     *
-     * // Dialogflow
-     * const app = new DialogflowApp({request: req, response: res});
-     * const NAME_ACTION = 'make_name';
-     * const COLOR_ARGUMENT = 'color';
-     * const NUMBER_ARGUMENT = 'number';
-     *
-     * function makeName (app) {
-     *   const number = app.getArgument(NUMBER_ARGUMENT);
-     *   const color = app.getArgument(COLOR_ARGUMENT);
-     *   app.tell('Alright, your silly name is ' +
-     *     color + ' ' + number +
-     *     '! I hope you like it. See you next time.');
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(NAME_ACTION, makeName);
-     * app.handleRequest(actionMap);
-     *
-     * @param {(Function|Map)} handler The handler (or Map of handlers) for the request.
-     * @actionssdk
-     * @dialogflow
-     */
-    handleRequest(handler?: RequestHandler | Map<string, RequestHandler>): void;
-
-    /**
-     * Equivalent to {@link AssistantApp#askForPermission|askForPermission},
-     * but allows you to prompt the user for more than one permission at once.
-     *
-     * Notes:
-     *
-     * * The order in which you specify the permission prompts does not matter -
-     *   it is controlled by the Assistant to provide a consistent user experience.
-     * * The user will be able to either accept all permissions at once, or none.
-     *   If you wish to allow them to selectively accept one or other, make several
-     *   dialog turns asking for each permission independently with askForPermission.
-     * * Asking for DEVICE_COARSE_LOCATION and DEVICE_PRECISE_LOCATION at once is
-     *   equivalent to just asking for DEVICE_PRECISE_LOCATION
-     *
-     * @example
-     * const app = new DialogflowApp({request: req, response: res});
-     * const REQUEST_PERMISSION_ACTION = 'request_permission';
-     * const GET_RIDE_ACTION = 'get_ride';
-     *
-     * function requestPermission (app) {
-     *   const permission = [
-     *     app.SupportedPermissions.NAME,
-     *     app.SupportedPermissions.DEVICE_PRECISE_LOCATION
-     *   ];
-     *   app.askForPermissions('To pick you up', permissions);
-     * }
-     *
-     * function sendRide (app) {
-     *   if (app.isPermissionGranted()) {
-     *     const displayName = app.getUserName().displayName;
-     *     const address = app.getDeviceLocation().address;
-     *     app.tell('I will tell your driver to pick up ' + displayName +
-     *         ' at ' + address);
-     *   } else {
-     *     // Response shows that user did not grant permission
-     *     app.tell('Sorry, I could not figure out where to pick you up.');
-     *   }
-     * }
-     * const actionMap = new Map();
-     * actionMap.set(REQUEST_PERMISSION_ACTION, requestPermission);
-     * actionMap.set(GET_RIDE_ACTION, sendRide);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string} context Context why the permission is being asked; it's the TTS
-     *     prompt prefix (action phrase) we ask the user.
-     * @param {Array<string>} permissions Array of permissions App supports, each of
-     *     which comes from AssistantApp.SupportedPermissions.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant. Used in {@link ActionsSdkAssistant}.
-     * @return A response is sent to Assistant to ask for the user's permission; for any
-     *     invalid input, we return null.
-     * @actionssdk
-     * @dialogflow
-     */
-    askForPermissions(context: string, permissions: string[], dialogState?: object): object;
-
-    /**
-     * Checks whether user is in transactable state.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const TXN_REQ_COMPLETE = 'txn.req.complete';
-     *
-     * let transactionConfig = {
-     *     deliveryAddressRequired: false,
-     *     type: app.Transactions.PaymentType.BANK,
-     *     displayName: 'Checking-1234'
-     * };
-     * function welcomeIntent (app) {
-     *   app.askForTransactionRequirements(transactionConfig);
-     * }
-     *
-     * function txnReqCheck (app) {
-     *   if (app.getTransactionRequirementsResult() === app.Transactions.ResultType.OK) {
-     *     // continue cart building flow
-     *   } else {
-     *     // don't continue cart building
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(TXN_REQ_COMPLETE, txnReqCheck);
-     * app.handleRequest(actionMap);
-     *
-     * @param {ActionPaymentTransactionConfig|GooglePaymentTransactionConfig=}
-     *     transactionConfig Configuration for the transaction. Includes payment
-     *     options and order options. Optional if order has no payment or
-     *     delivery.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant. Used in {@link ActionsSdkAssistant}.
-     * @return {Object} HTTP response.
-     * @actionssdk
-     * @dialogflow
-     */
-    askForTransactionRequirements(transactionConfig?: ActionPaymentTransactionConfig | GooglePaymentTransactionConfig, dialogState?: object): object;
-
-    /**
-     * Asks user to confirm transaction information.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const TXN_COMPLETE = 'txn.complete';
-     *
-     * let transactionConfig = {
-     *     deliveryAddressRequired: false,
-     *     type: app.Transactions.PaymentType.BANK,
-     *     displayName: 'Checking-1234'
-     * };
-     *
-     * let order = app.buildOrder();
-     * // fill order cart
-     *
-     * function welcomeIntent (app) {
-     *   app.askForTransaction(order, transactionConfig);
-     * }
-     *
-     * function txnComplete (app) {
-     *   // respond with order update
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(TXN_COMPLETE, txnComplete);
-     * app.handleRequest(actionMap);
-     *
-     * @param {Object} order Order built with buildOrder().
-     * @param {ActionPaymentTransactionConfig|GooglePaymentTransactionConfig}
-     *     transactionConfig Configuration for the transaction. Includes payment
-     *     options and order options.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant. Used in {@link ActionsSdkAssistant}.
-     * @dialogflow
-     */
-    askForTransactionDecision(order: object, transactionConfig?: ActionPaymentTransactionConfig | GooglePaymentTransactionConfig, dialogState?: object): object;
-
-    /**
-     * Asks the Assistant to guide the user to grant a permission. For example,
-     * if you want your app to get access to the user's name, you would invoke
-     * the askForPermission method with a context containing the reason for the request,
-     * and the AssistantApp.SupportedPermissions.NAME permission. With this, the Assistant will ask
-     * the user, in your agent's voice, the following: '[Context with reason for the request],
-     * I'll just need to get your name from Google, is that OK?'.
-     *
-     * Once the user accepts or denies the request, the Assistant will fire another intent:
-     * assistant.intent.action.PERMISSION with a boolean argument: AssistantApp.BuiltInArgNames.PERMISSION_GRANTED
-     * and, if granted, the information that you requested.
-     *
-     * Read more:
-     *
-     * * {@link https://developers.google.com/actions/reference/conversation#ExpectedIntent|Supported Permissions}
-     * * Check if the permission has been granted with {@link AssistantApp#isPermissionGranted|isPermissionsGranted}
-     * * {@link AssistantApp#getDeviceLocation|getDeviceLocation}
-     * * {@link AssistantApp#getUserName|getUserName}
-     *
-     * @example
-     * const app = new DialogflowApp({request: req, response: res});
-     * const REQUEST_PERMISSION_ACTION = 'request_permission';
-     * const GET_RIDE_ACTION = 'get_ride';
-     *
-     * function requestPermission (app) {
-     *   const permission = app.SupportedPermissions.NAME;
-     *   app.askForPermission('To pick you up', permission);
-     * }
-     *
-     * function sendRide (app) {
-     *   if (app.isPermissionGranted()) {
-     *     const displayName = app.getUserName().displayName;
-     *     app.tell('I will tell your driver to pick up ' + displayName);
-     *   } else {
-     *     // Response shows that user did not grant permission
-     *     app.tell('Sorry, I could not figure out who to pick up.');
-     *   }
-     * }
-     * const actionMap = new Map();
-     * actionMap.set(REQUEST_PERMISSION_ACTION, requestPermission);
-     * actionMap.set(GET_RIDE_ACTION, sendRide);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string} context Context why permission is asked; it's the TTS
-     *     prompt prefix (action phrase) we ask the user.
-     * @param {string} permission One of the permissions Assistant supports, each of
-     *     which comes from AssistantApp.SupportedPermissions.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant.
-     * @return A response is sent to the Assistant to ask for the user's permission;
-     *     for any invalid input, we return null.
-     * @actionssdk
-     * @dialogflow
-     */
-    askForPermission(context: string, permission: string, dialogState?: object): object;
-
-    /**
-     * Returns true if the request follows a previous request asking for
-     * permission from the user and the user granted the permission(s). Otherwise,
-     * false. Use with {@link AssistantApp#askForPermissions|askForPermissions}.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request: request, response: response});
-     * // or
-     * const app = new DialogflowApp({request: request, response: response});
-     * app.askForPermissions("To get you a ride", [
-     *   app.SupportedPermissions.NAME,
-     *   app.SupportedPermissions.DEVICE_PRECISE_LOCATION
-     * ]);
-     * // ...
-     * // In response handler for subsequent intent:
-     * if (app.isPermissionGranted()) {
-     *  // Use the requested permission(s) to get the user a ride
-     * }
-     *
-     * @return {boolean} true if permissions granted.
-     * @dialogflow
-     * @actionssdk
-     */
-    isPermissionGranted(): boolean;
-
-    /**
-     * Asks user for delivery address.
-     *
-     * @example
-     * // For DialogflowApp:
-     * const app = new DialogflowApp({request, response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const DELIVERY_INTENT = 'delivery.address';
-     *
-     * function welcomeIntent (app) {
-     *   app.askForDeliveryAddress('To make sure I can deliver to you');
-     * }
-     *
-     * function addressIntent (app) {
-     *   const postalCode = app.getDeliveryAddress().postalAddress.postalCode;
-     *   if (isInDeliveryZone(postalCode)) {
-     *     app.tell('Great looks like you\'re in our delivery area!');
-     *   } else {
-     *     app.tell('I\'m sorry it looks like we can\'t deliver to you.');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(DELIVERY_INTENT, addressIntent);
-     * app.handleRequest(actionMap);
-     *
-     * // For ActionsSdkApp:
-     * const app = new ActionsSdkApp({request, response});
-     * const WELCOME_INTENT = app.StandardIntents.MAIN;
-     * const DELIVERY_INTENT = app.StandardIntents.DELIVERY_ADDRESS;
-     *
-     * function welcomeIntent (app) {
-     *   app.askForDeliveryAddress('To make sure I can deliver to you');
-     * }
-     *
-     * function addressIntent (app) {
-     *   const postalCode = app.getDeliveryAddress().postalAddress.postalCode;
-     *   if (isInDeliveryZone(postalCode)) {
-     *     app.tell('Great looks like you\'re in our delivery area!');
-     *   } else {
-     *     app.tell('I\'m sorry it looks like we can\'t deliver to you.');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(DELIVERY_INTENT, addressIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string} reason Reason given to user for asking delivery address.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant.
-     * @return {Object} HTTP response.
-     * @actionssdk
-     * @dialogflow
-     */
-    askForDeliveryAddress(reason: string, dialogState?: object): object;
-
-    /**
-     * Asks user for a confirmation.
-     *
-     * @example
-     * const app = new DialogflowApp({ request, response });
-     * const WELCOME_INTENT = 'input.welcome';
-     * const CONFIRMATION = 'confirmation';
-     *
-     * function welcomeIntent (app) {
-     *   app.askForConfirmation('Are you sure you want to do that?');
-     * }
-     *
-     * function confirmation (app) {
-     *   if (app.getUserConfirmation()) {
-     *     app.tell('Great! I\'m glad you want to do it!');
-     *   } else {
-     *     app.tell('That\'s okay. Let\'s not do it now.');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(CONFIRMATION, confirmation);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string=} prompt The confirmation prompt presented to the user to
-     *     query for an affirmative or negative response. If undefined or null,
-     *     Google will use a generic yes/no prompt.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant. Used in {@link ActionsSdkAssistant}.
-     * @actionssdk
-     * @dialogflow
-     */
-    askForConfirmation(prompt?: string, dialogState?: object): object;
-
-    /**
-     * Asks user for a timezone-agnostic date and time.
-     *
-     * @example
-     * const app = new DialogflowApp({ request, response });
-     * const WELCOME_INTENT = 'input.welcome';
-     * const DATETIME = 'datetime';
-     *
-     * function welcomeIntent (app) {
-     *   app.askForDateTime('When do you want to come in?',
-     *     'Which date works best for you?',
-     *     'What time of day works best for you?');
-     * }
-     *
-     * function datetime (app) {
-     *   app.tell({speech: 'Great see you at your appointment!',
-     *     displayText: 'Great, we will see you on '
-     *     + app.getDateTime().date.month
-     *     + '/' + app.getDateTime().date.day
-     *     + ' at ' + app.getDateTime().time.hours
-     *     + (app.getDateTime().time.minutes || '')});
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(DATETIME, datetime);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string=} initialPrompt The initial prompt used to ask for a
-     *     date and time. If undefined or null, Google will use a generic
-     *     prompt.
-     * @param {string=} datePrompt The prompt used to specifically ask for the
-     *     date if not provided by user. If undefined or null, Google will use a
-     *     generic prompt.
-     * @param {string=} timePrompt The prompt used to specifically ask for the
-     *     time if not provided by user. If undefined or null, Google will use a
-     *     generic prompt.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant. Used in {@link ActionsSdkAssistant}.
-     * @actionssdk
-     * @dialogflow
-     */
-    askForDateTime(initialPrompt?: string, datePrompt?: string, timePrompt?: string, dialogState?: object): object;
-
-    /**
-     * Hands the user off to a web sign in flow. App sign in and OAuth credentials
-     * are set in the {@link https://console.actions.google.com|Actions Console}.
-     * Retrieve the access token in subsequent intents using
-     * app.getUser().accessToken.
-     *
-     * Note: Currently this API requires enabling the app for Transactions APIs.
-     * To do this, fill out the App Info section of the Actions Console project
-     * and check the box indicating the use of Transactions under "Privacy and
-     * consent".
-     *
-     * @example
-     * const app = new DialogflowApp({ request, response });
-     * const WELCOME_INTENT = 'input.welcome';
-     * const SIGN_IN = 'sign.in';
-     *
-     * function welcomeIntent (app) {
-     *   app.askForSignIn();
-     * }
-     *
-     * function signIn (app) {
-     *   if (app.getSignInStatus() === app.SignInstatus.OK) {
-     *     let accessToken = app.getUser().accessToken;
-     *     app.ask('Great, thanks for signing in!');
-     *   } else {
-     *     app.ask('I won\'t be able to save your data, but let\'s continue!');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(SIGN_IN, signIn);
-     * app.handleRequest(actionMap);
-     *
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant. Used in {@link ActionsSdkAssistant}.
-     * @actionssdk
-     * @dialogflow
-     */
-    askForSignIn(dialogState?: object): object;
-
-    /**
-     * Requests the user to switch to another surface during the conversation.
-     *
-     * @example
-     * const app = new DialogflowApp({ request, response });
-     * const WELCOME_INTENT = 'input.welcome';
-     * const SHOW_IMAGE = 'show.image';
-     *
-     * function welcomeIntent (app) {
-     *   if (app.hasSurfaceCapability(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
-     *     showPicture(app);
-     *   } else if (app.hasAvailableSurfaceCapabilities(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
-     *     app.askForNewSurface('To show you an image',
-     *       'Check out this image',
-     *       [app.SurfaceCapabilities.SCREEN_OUTPUT]
-     *     );
-     *   } else {
-     *     app.tell('This part of the app only works on screen devices. Sorry about that');
-     *   }
-     * }
-     *
-     * function showImage (app) {
-     *   if (!app.isNewSurface()) {
-     *     app.tell('Ok, I understand. You don't want to see pictures. Bye');
-     *   } else {
-     *     showPicture(app, pictureType);
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(SHOW_IMAGE, showImage);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string} context Context why new surface is requested; it's the TTS
-     *     prompt prefix (action phrase) we ask the user.
-     * @param {string} notificationTitle Title of the notification appearing on
-     *     new surface device.
-     * @param {Array<string>} capabilities The list of capabilities required in
-     *     the surface.
-     * @param {Object=} dialogState JSON object the app uses to hold dialog state that
-     *     will be circulated back by Assistant. Used in {@link ActionsSdkAssistant}.
-     * @dialogflow
-     * @actionssdk
-     */
-    askForNewSurface(context: string, notificationTitle: string, capabilities: string[], dialogState?: object): object;
-
-    /**
-     * Gets the {@link User} object.
-     * The user object contains information about the user, including
-     * a string identifier and personal information (requires requesting permissions,
-     * see {@link AssistantApp#askForPermissions|askForPermissions}).
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * // or
-     * const app = new ActionsSdkApp({request: request, response: response});
-     * const userId = app.getUser().userId;
-     *
-     * @return {User} Null if no value.
-     * @actionssdk
-     * @dialogflow
-     */
-    getUser(): User;
-
-    /**
-     * If granted permission to user's name in previous intent, returns user's
-     * display name, family name, and given name. If name info is unavailable,
-     * returns null.
-     *
-     * @example
-     * const app = new DialogflowApp({request: req, response: res});
-     * const REQUEST_PERMISSION_ACTION = 'request_permission';
-     * const SAY_NAME_ACTION = 'get_name';
-     *
-     * function requestPermission (app) {
-     *   const permission = app.SupportedPermissions.NAME;
-     *   app.askForPermission('To know who you are', permission);
-     * }
-     *
-     * function sayName (app) {
-     *   if (app.isPermissionGranted()) {
-     *     app.tell('Your name is ' + app.getUserName().displayName));
-     *   } else {
-     *     // Response shows that user did not grant permission
-     *     app.tell('Sorry, I could not get your name.');
-     *   }
-     * }
-     * const actionMap = new Map();
-     * actionMap.set(REQUEST_PERMISSION_ACTION, requestPermission);
-     * actionMap.set(SAY_NAME_ACTION, sayName);
-     * app.handleRequest(actionMap);
-     * @return {UserName} Null if name permission is not granted.
-     * @actionssdk
-     * @dialogflow
-     */
-    getUserName(): UserName;
-
-    /**
-     * Gets the user locale. Returned string represents the regional language
-     * information of the user set in their Assistant settings.
-     * For example, 'en-US' represents US English.
-     *
-     * @example
-     * const app = new DialogflowApp({request, response});
-     * const locale = app.getUserLocale();
-     *
-     * @return {string} User's locale, e.g. 'en-US'. Null if no locale given.
-     * @actionssdk
-     * @dialogflow
-     */
-    getUserLocale(): string;
-
-    /**
-     * If granted permission to device's location in previous intent, returns device's
-     * location (see {@link AssistantApp#askForPermissions|askForPermissions}).
-     * If device info is unavailable, returns null.
-     *
-     * @example
-     * const app = new DialogflowApp({request: req, response: res});
-     * // or
-     * const app = new ActionsSdkApp({request: req, response: res});
-     * app.askForPermission("To get you a ride",
-     *   app.SupportedPermissions.DEVICE_PRECISE_LOCATION);
-     * // ...
-     * // In response handler for permissions fallback intent:
-     * if (app.isPermissionGranted()) {
-     *   sendCarTo(app.getDeviceLocation().coordinates);
-     * }
-     *
-     * @return {DeviceLocation} Null if location permission is not granted.
-     * @actionssdk
-     * @dialogflow
-     */
-    getDeviceLocation(): DeviceLocation;
-
-    /**
-     * Gets type of input used for this request.
-     *
-     * @return {number} One of AssistantApp.InputTypes.
-     *     Null if no input type given.
-     * @dialogflow
-     * @actionssdk
-     */
-    getInputType(): number;
-
-    /**
-     * Get the argument value by name from the current intent.
-     * If the argument is included in originalRequest, and is not a text argument,
-     * the entire argument object is returned.
-     *
-     * Note: If incoming request is using an API version under 2 (e.g. 'v1'),
-     * the argument object will be in Proto2 format (snake_case, etc).
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const NUMBER_INTENT = 'input.number';
-     *
-     * function welcomeIntent (app) {
-     *   app.ask('Welcome to action snippets! Say a number.');
-     * }
-     *
-     * function numberIntent (app) {
-     *   const number = app.getArgument(NUMBER_ARGUMENT);
-     *   app.tell('You said ' + number);
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(NUMBER_INTENT, numberIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string} argName Name of the argument.
-     * @return {Object} Argument value matching argName
-     *     or null if no matching argument.
-     * @dialogflow
-     * @actionssdk
-     */
-    getArgumentCommon(argName: string): object;
-
-    /**
-     * Gets transactability of user. Only use after calling
-     * askForTransactionRequirements. Null if no result given.
-     *
-     * @return {string} One of Transactions.ResultType.
-     * @dialogflow
-     * @actionssdk
-     */
-    getTransactionRequirementsResult(): string;
-
-    /**
-     * Gets order delivery address. Only use after calling askForDeliveryAddress.
-     *
-     * @return {DeliveryAddress} Delivery address information. Null if user
-     *     denies permission, or no address given.
-     * @dialogflow
-     * @actionssdk
-     */
-    getDeliveryAddress(): Location;
-
-    /**
-     * Gets transaction decision information. Only use after calling
-     * askForTransactionDecision.
-     *
-     * @return {TransactionDecision} Transaction decision data. Returns object with
-     *     userDecision only if user declines. userDecision will be one of
-     *     Transactions.ConfirmationDecision. Null if no decision given.
-     * @dialogflow
-     * @actionssdk
-     */
-    getTransactionDecision(): TransactionDecision;
-
-    /**
-     * Gets confirmation decision. Use after askForConfirmation.
-     *
-     *     False if user replied with negative response. Null if no user
-     *     confirmation decision given.
-     * @dialogflow
-     * @actionssdk
-     */
-    getUserConfirmation(): boolean | null;
-
-    /**
-     * Gets user provided date and time. Use after askForDateTime.
-     *
-     * @return {DateTime} Date and time given by the user. Null if no user
-     *     date and time given.
-     * @dialogflow
-     * @actionssdk
-     */
-    getDateTime(): DateTime;
-
-    /**
-     * Gets status of user sign in request.
-     *
-     * @return {string} Result of user sign in request. One of
-     * DialogflowApp.SignInStatus or ActionsSdkApp.SignInStatus
-     * Null if no sign in status.
-     * @dialogflow
-     * @actionssdk
-     */
-    getSignInStatus(): string;
-
-    /**
-     * Returns true if user device has a given surface capability.
-     *
-     * @param {string} capability Must be one of {@link SurfaceCapabilities}.
-     * @return {boolean} True if user device has the given capability.
-     *
-     * @example
-     * const app = new DialogflowApp({request: req, response: res});
-     * const DESCRIBE_SOMETHING = 'DESCRIBE_SOMETHING';
-     *
-     * function describe (app) {
-     *   if (app.hasSurfaceCapability(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
-     *     app.tell(richResponseWithBasicCard);
-     *   } else {
-     *     app.tell('Let me tell you about ...');
-     *   }
-     * }
-     * const actionMap = new Map();
-     * actionMap.set(DESCRIBE_SOMETHING, describe);
-     * app.handleRequest(actionMap);
-     *
-     * @dialogflow
-     * @actionssdk
-     */
-    hasSurfaceCapability(requestedCapability: string): boolean;
-
-    /**
-     * Gets surface capabilities of user device.
-     *
-     * @return {Array<string>} Supported surface capabilities, as defined in
-     *     AssistantApp.SurfaceCapabilities.
-     * @dialogflow
-     * @actionssdk
-     */
-    getSurfaceCapabilities(): string[];
-
-    /**
-     * Returns the set of other available surfaces for the user.
-     *
-     * @return {Array<Surface>} Empty if no available surfaces.
-     * @actionssdk
-     * @dialogflow
-     */
-    getAvailableSurfaces(): Surface[];
-
-    /**
-     * Returns true if user has an available surface which includes all given
-     * capabilities. Available surfaces capabilities may exist on surfaces other
-     * than that used for an ongoing conversation.
-     *
-     * @param {string|Array<string>} capabilities Must be one of
-     *     {@link SurfaceCapabilities}.
-     * @return {boolean} True if user has a capability available on some surface.
-     *
-     * @dialogflow
-     * @actionssdk
-     */
-    hasAvailableSurfaceCapabilities(capabilities: string | string[]): boolean;
-
-    /**
-     * Returns the result of the AskForNewSurface helper.
-     *
-     * @return {boolean} True if user has triggered conversation on a new device
-     *     following the NEW_SURFACE intent.
-     * @actionssdk
-     * @dialogflow
-     */
-    isNewSurface(): boolean;
-
-    /**
-     * Returns true if the app is being tested in sandbox mode. Enable sandbox
-     * mode in the (Actions console)[console.actions.google.com] to test
-     * transactions.
-     *
-     * @return {boolean} True if app is being used in Sandbox mode.
-     * @dialogflow
-     * @actionssdk
-     */
-    isInSandbox(): boolean;
-
-    /**
-     * Returns the number of subsequent reprompts related to silent input from the
-     * user. This should be used along with the NO_INPUT intent to reprompt the
-     * user for input in cases where the Google Assistant could not pick up any
-     * speech.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request, response});
-     *
-     * function welcome (app) {
-     *   app.ask('Welcome to your app!');
-     * }
-     *
-     * function noInput (app) {
-     *   if (app.getRepromptCount() === 0) {
-     *     app.ask(`What was that?`);
-     *   } else if (app.getRepromptCount() === 1) {
-     *     app.ask(`Sorry I didn't catch that. Could you repeat yourself?`);
-     *   } else if (app.isFinalReprompt()) {
-     *     app.tell(`Okay let's try this again later.`);
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(app.StandardIntents.MAIN, welcome);
-     * actionMap.set(app.StandardIntents.NO_INPUT, noInput);
-     * app.handleRequest(actionMap);
-     *
-     * @return {number} The current reprompt count. Null if no reprompt count
-     *     available (e.g. not in the NO_INPUT intent).
-     * @dialogflow
-     * @actionssdk
-     */
-    getRepromptCount(): number;
-
-    /**
-     * Returns true if it is the final reprompt related to silent input from the
-     * user. This should be used along with the NO_INPUT intent to give the final
-     * response to the user after multiple silences and should be an app.tell
-     * which ends the conversation.
-     *
-     * @example
-     * const app = new ActionsSdkApp({request, response});
-     *
-     * function welcome (app) {
-     *   app.ask('Welcome to your app!');
-     * }
-     *
-     * function noInput (app) {
-     *   if (app.getRepromptCount() === 0) {
-     *     app.ask(`What was that?`);
-     *   } else if (app.getRepromptCount() === 1) {
-     *     app.ask(`Sorry I didn't catch that. Could you repeat yourself?`);
-     *   } else if (app.isFinalReprompt()) {
-     *     app.tell(`Okay let's try this again later.`);
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(app.StandardIntents.MAIN, welcome);
-     * actionMap.set(app.StandardIntents.NO_INPUT, noInput);
-     * app.handleRequest(actionMap);
-     *
-     * @return {boolean} True if in a NO_INPUT intent and this is the final turn
-     *     of dialog.
-     * @dialogflow
-     * @actionssdk
-     */
-    isFinalReprompt(): boolean;
-
-    // ---------------------------------------------------------------------------
-    //                   Response Builders
-    // ---------------------------------------------------------------------------
-
-    /**
-     * Constructs RichResponse with chainable property setters.
-     *
-     * @param {RichResponse=} richResponse RichResponse to clone.
-     * @return {RichResponse} Constructed RichResponse.
-     */
-    buildRichResponse(richResponse?: RichResponse): RichResponse;
-
-    /**
-     * Constructs BasicCard with chainable property setters.
-     *
-     * @param {string=} bodyText Body text of the card. Can be set using setTitle
-     *     instead.
-     * @return {BasicCard} Constructed BasicCard.
-     */
-    buildBasicCard(bodyText?: string): BasicCard;
-
-    /**
-     * Constructs List with chainable property setters.
-     *
-     * @param {string=} title A title to set for a new List.
-     * @return {List} Constructed List.
-     */
-    buildList(title?: string): List;
-
-    /**
-     * Constructs Carousel with chainable property setters.
-     *
-     * @return {Carousel} Constructed Carousel.
-     */
-    buildCarousel(): Carousel;
-
-    /**
-     * Constructs OptionItem with chainable property setters.
-     *
-     * @param {string=} key A unique key to identify this option. This key will
-     *     be returned as an argument in the resulting actions.intent.OPTION
-     *     intent.
-     * @param {string|Array<string>=} synonyms A list of synonyms which the user may
-     *     use to identify this option instead of the option key.
-     * @return {OptionItem} Constructed OptionItem.
-     */
-    buildOptionItem(key?: string, synonyms?: string | string[]): OptionItem;
-
-    // ---------------------------------------------------------------------------
-    //                   Transaction Builders
-    // ---------------------------------------------------------------------------
-
-    /**
-     * Constructs Order with chainable property setters.
-     *
-     * @param {string} orderId Unique identifier for the order.
-     * @return {Order} Constructed Order.
-     */
-    buildOrder(orderId: string): Order;
-
-    /**
-     * Constructs Cart with chainable property setters.
-     *
-     * @param {string=} cartId Unique identifier for the cart.
-     * @return {Cart} Constructed Cart.
-     */
-    buildCart(cartId?: string): Cart;
-
-    /**
-     * Constructs LineItem with chainable property setters.
-     *
-     * @param {string} id Unique identifier for the item.
-     * @param {string} name Name of the line item.
-     * @return {LineItem} Constructed LineItem.
-     */
-    buildLineItem(id: string, name: string): LineItem;
-
-    /**
-     * Constructs OrderUpdate with chainable property setters.
-     *
-     * @param {string} orderId Unique identifier of the order.
-     * @param {boolean} isGoogleOrderId True if the order ID is provided by
-     *     Google. False if the order ID is app provided.
-     * @return {OrderUpdate} Constructed OrderUpdate.
-     */
-    buildOrderUpdate(orderId: string, isGoogleOrderId: boolean): OrderUpdate;
-}
-
-export class State {
-    constructor(name: string);
-    getName(): string;
-}
diff --git a/types/actions-on-google/dialogflow-app.d.ts b/types/actions-on-google/dialogflow-app.d.ts
deleted file mode 100644
index c63a78f2ee..0000000000
--- a/types/actions-on-google/dialogflow-app.d.ts
+++ /dev/null
@@ -1,569 +0,0 @@
-import { Request, Response } from 'express';
-
-import { AssistantApp, DeviceLocation, SessionStartedFunction, User } from './assistant-app';
-import { Carousel, List, RichResponse, SimpleResponse } from './response-builder';
-import { TransactionDecision } from './transactions';
-
-// ---------------------------------------------------------------------------
-//                   Dialogflow support
-// ---------------------------------------------------------------------------
-
-/**
- * DialogflowApp {@link https://dialogflow.com/docs/concept-contexts|Context}.
- */
-export interface Context {
-    /** Full name of the context. */
-    name: string;
-    /**
-     * Parameters carried within this context.
-     * See {@link https://dialogflow.com/docs/concept-actions#section-extracting-values-from-contexts|here}.
-     */
-    parameters: object;
-    /** Remaining number of intents */
-    lifespan: number;
-}
-
-export interface DialogflowAppOptions {
-    request: Request;
-    response: Response;
-    sessionStarted?: SessionStartedFunction;
-}
-
-/**
- * This is the class that handles the communication with Dialogflow's fulfillment API.
- */
-export class DialogflowApp extends AssistantApp {
-    /**
-     * Constructor for DialogflowApp object.
-     * To be used in the Dialogflow fulfillment webhook logic.
-     *
-     * @example
-     * const DialogflowApp = require('actions-on-google').DialogflowApp;
-     * const app = new DialogflowApp({request: request, response: response,
-     *   sessionStarted:sessionStarted});
-     *
-     * @param {Object} options JSON configuration.
-     * @param {Object} options.request Express HTTP request object.
-     * @param {Object} options.response Express HTTP response object.
-     * @param {Function=} options.sessionStarted Function callback when session starts.
-     *     Only called if webhook is enabled for welcome/triggering intents, and
-     *     called from Web Simulator or Google Home device (i.e., not Dialogflow simulator).
-     * @dialogflow
-     */
-    constructor(options: DialogflowAppOptions);
-
-    /**
-     * @deprecated
-     * Verifies whether the request comes from Dialogflow.
-     *
-     * @param {string} key The header key specified by the developer in the
-     *     Dialogflow Fulfillment settings of the app.
-     * @param {string} value The private value specified by the developer inside the
-     *     fulfillment header.
-     * @return {boolean} True if the request comes from Dialogflow.
-     * @dialogflow
-     */
-    isRequestFromApiAi(key: string, value: string): boolean;
-
-    /**
-     * Verifies whether the request comes from Dialogflow.
-     *
-     * @param {string} key The header key specified by the developer in the
-     *     Dialogflow Fulfillment settings of the app.
-     * @param {string} value The private value specified by the developer inside the
-     *     fulfillment header.
-     * @return {boolean} True if the request comes from Dialogflow.
-     * @dialogflow
-     */
-    isRequestFromDialogflow(key: string, value: string): boolean;
-
-    /**
-     * Get the current intent. Alternatively, using a handler Map with
-     * {@link AssistantApp#handleRequest|handleRequest},
-     * the client library will automatically handle the incoming intents.
-     * 'Intent' in the Dialogflow context translates into the current action.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     *
-     * function responseHandler (app) {
-     *   const intent = app.getIntent();
-     *   switch (intent) {
-     *     case WELCOME_INTENT:
-     *       app.ask('Welcome to action snippets! Say a number.');
-     *       break;
-     *
-     *     case NUMBER_INTENT:
-     *       const number = app.getArgument(NUMBER_ARGUMENT);
-     *       app.tell('You said ' + number);
-     *       break;
-     *   }
-     * }
-     *
-     * app.handleRequest(responseHandler);
-     *
-     * @return {string} Intent id or null if no value (action name).
-     * @dialogflow
-     */
-    getIntent(): string;
-
-    /**
-     * Get the argument value by name from the current intent. If the argument
-     * is included in originalRequest, and is not a text argument, the entire
-     * argument object is returned.
-     *
-     * Note: If incoming request is using an API version under 2 (e.g. 'v1'),
-     * the argument object will be in Proto2 format (snake_case, etc).
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const NUMBER_INTENT = 'input.number';
-     *
-     * function welcomeIntent (app) {
-     *   app.ask('Welcome to action snippets! Say a number.');
-     * }
-     *
-     * function numberIntent (app) {
-     *   const number = app.getArgument(NUMBER_ARGUMENT);
-     *   app.tell('You said ' + number);
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(NUMBER_INTENT, numberIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string} argName Name of the argument.
-     * @return {Object} Argument value matching argName
-     *     or null if no matching argument.
-     * @dialogflow
-     */
-    getArgument(argName: string): object;
-
-    /**
-     * Get the context argument value by name from the current intent. Context
-     * arguments include parameters collected in previous intents during the
-     * lifespan of the given context. If the context argument has an original
-     * value, usually representing the underlying entity value, that will be given
-     * as part of the return object.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const NUMBER_INTENT = 'input.number';
-     * const OUT_CONTEXT = 'output_context';
-     * const NUMBER_ARG = 'myNumberArg';
-     *
-     * function welcomeIntent (app) {
-     *   const parameters = {};
-     *   parameters[NUMBER_ARG] = '42';
-     *   app.setContext(OUT_CONTEXT, 1, parameters);
-     *   app.ask('Welcome to action snippets! Ask me for your number.');
-     * }
-     *
-     * function numberIntent (app) {
-     *   const number = app.getContextArgument(OUT_CONTEXT, NUMBER_ARG);
-     *   // number === { value: 42 }
-     *   app.tell('Your number is  ' + number.value);
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(NUMBER_INTENT, numberIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string} contextName Name of the context.
-     * @param {string} argName Name of the argument.
-     * @return {Object} Object containing value property and optional original
-     *     property matching context argument. Null if no matching argument.
-     * @dialogflow
-     */
-    getContextArgument(contextName: string, argName: string): object;
-
-    /**
-     * Returns the RichResponse constructed in Dialogflow response builder.
-     *
-     * @example
-     * const app = new App({request: req, response: res});
-     *
-     * function tellFact (app) {
-     *   let fact = 'Google was founded in 1998';
-     *
-     *   if (app.hasSurfaceCapability(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
-     *     app.ask(app.getIncomingRichResponse().addSimpleResponse('Here\'s a ' +
-     *       'fact for you. ' + fact + ' Which one do you want to hear about ' +
-     *       'next, Google\'s history or headquarters?'));
-     *   } else {
-     *     app.ask('Here\'s a fact for you. ' + fact + ' Which one ' +
-     *       'do you want to hear about next, Google\'s history or headquarters?');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set('tell.fact', tellFact);
-     *
-     * app.handleRequest(actionMap);
-     *
-     * @return {RichResponse} RichResponse created in Dialogflow. If no RichResponse was
-     *     created, an empty RichResponse is returned.
-     * @dialogflow
-     */
-    getIncomingRichResponse(): RichResponse;
-
-    /**
-     * Returns the List constructed in Dialogflow response builder.
-     *
-     * @example
-     * const app = new App({request: req, response: res});
-     *
-     * function pickOption (app) {
-     * if (app.hasSurfaceCapability(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
-     *     app.askWithList('Which of these looks good?',
-     *       app.getIncomingList().addItems(
-     *         app.buildOptionItem('another_choice', ['Another choice']).
-     *         setTitle('Another choice')));
-     *   } else {
-     *     app.ask('What would you like?');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set('pick.option', pickOption);
-     *
-     * app.handleRequest(actionMap);
-     *
-     * @return {List} List created in Dialogflow. If no List was created, an empty
-     *     List is returned.
-     * @dialogflow
-     */
-    getIncomingList(): List;
-
-    /**
-     * Returns the Carousel constructed in Dialogflow response builder.
-     *
-     * @example
-     * const app = new App({request: req, response: res});
-     *
-     * function pickOption (app) {
-     * if (app.hasSurfaceCapability(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
-     *     app.askWithCarousel('Which of these looks good?',
-     *       app.getIncomingCarousel().addItems(
-     *         app.buildOptionItem('another_choice', ['Another choice']).
-     *         setTitle('Another choice').setDescription('Choose me!')));
-     *   } else {
-     *     app.ask('What would you like?');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set('pick.option', pickOption);
-     *
-     * app.handleRequest(actionMap);
-     *
-     * @return {Carousel} Carousel created in Dialogflow. If no Carousel was created,
-     *     an empty Carousel is returned.
-     * @dialogflow
-     */
-    getIncomingCarousel(): Carousel;
-
-    /**
-     * Returns the option key user chose from options response.
-     *
-     * @example
-     * const app = new App({request: req, response: res});
-     *
-     * function pickOption (app) {
-     *   if (app.hasSurfaceCapability(app.SurfaceCapabilities.SCREEN_OUTPUT)) {
-     *     app.askWithCarousel('Which of these looks good?',
-     *       app.getIncomingCarousel().addItems(
-     *         app.buildOptionItem('another_choice', ['Another choice']).
-     *         setTitle('Another choice').setDescription('Choose me!')));
-     *   } else {
-     *     app.ask('What would you like?');
-     *   }
-     * }
-     *
-     * function optionPicked (app) {
-     *   app.ask('You picked ' + app.getSelectedOption());
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set('pick.option', pickOption);
-     * actionMap.set('option.picked', optionPicked);
-     *
-     * app.handleRequest(actionMap);
-     *
-     * @return {string} Option key of selected item. Null if no option selected or
-     *     if current intent is not OPTION intent.
-     * @dialogflow
-     */
-    getSelectedOption(): string;
-
-    /**
-     * Asks to collect the user's input.
-     * {@link https://developers.google.com/actions/policies/general-policies#user_experience|The guidelines when prompting the user for a response must be followed at all times}.
-     *
-     * NOTE: Due to a bug, if you specify the no-input prompts,
-     * the mic is closed after the 3rd prompt, so you should use the 3rd prompt
-     * for a bye message until the bug is fixed.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const NUMBER_INTENT = 'input.number';
-     *
-     * function welcomeIntent (app) {
-     *   app.ask('Welcome to action snippets! Say a number.',
-     *     ['Say any number', 'Pick a number', 'We can stop here. See you soon.']);
-     * }
-     *
-     * function numberIntent (app) {
-     *   const number = app.getArgument(NUMBER_ARGUMENT);
-     *   app.tell('You said ' + number);
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(NUMBER_INTENT, numberIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string|SimpleResponse|RichResponse} inputPrompt The input prompt
-     *     response.
-     * @param {Array<string>=} noInputs Array of re-prompts when the user does not respond (max 3).
-     * @return {Object} HTTP response.
-     * @dialogflow
-     */
-    ask(inputPrompt: string | SimpleResponse | RichResponse, noInputs?: string[]): object;
-
-    /**
-     * Asks to collect the user's input with a list.
-     *
-     * @example
-     * const app = new DialogflowApp({request, response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const OPTION_INTENT = 'option.select';
-     *
-     * function welcomeIntent (app) {
-     *   app.askWithList('Which of these looks good?',
-     *     app.buildList('List title')
-     *      .addItems([
-     *        app.buildOptionItem(SELECTION_KEY_ONE,
-     *          ['synonym of KEY_ONE 1', 'synonym of KEY_ONE 2'])
-     *          .setTitle('Title of First List Item'),
-     *        app.buildOptionItem(SELECTION_KEY_TWO,
-     *          ['synonym of KEY_TWO 1', 'synonym of KEY_TWO 2'])
-     *          .setTitle('Title of Second List Item'),
-     *      ]));
-     * }
-     *
-     * function optionIntent (app) {
-     *   if (app.getSelectedOption() === SELECTION_KEY_ONE) {
-     *     app.tell('Number one is a great choice!');
-     *   } else {
-     *     app.tell('Number two is a great choice!');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(OPTION_INTENT, optionIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string|RichResponse|SimpleResponse} inputPrompt The input prompt
-     *     response.
-     * @param {List} list List built with {@link AssistantApp#buildList|buildList}.
-     * @return {Object} HTTP response.
-     * @dialogflow
-     */
-    askWithList(inputPrompt: string | RichResponse | SimpleResponse, list: List): object;
-
-    /**
-     * Asks to collect the user's input with a carousel.
-     *
-     * @example
-     * const app = new DialogflowApp({request, response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const OPTION_INTENT = 'option.select';
-     *
-     * function welcomeIntent (app) {
-     *   app.askWithCarousel('Which of these looks good?',
-     *     app.buildCarousel()
-     *      .addItems([
-     *        app.buildOptionItem(SELECTION_KEY_ONE,
-     *          ['synonym of KEY_ONE 1', 'synonym of KEY_ONE 2'])
-     *          .setTitle('Number one'),
-     *        app.buildOptionItem(SELECTION_KEY_TWO,
-     *          ['synonym of KEY_TWO 1', 'synonym of KEY_TWO 2'])
-     *          .setTitle('Number two'),
-     *      ]));
-     * }
-     *
-     * function optionIntent (app) {
-     *   if (app.getSelectedOption() === SELECTION_KEY_ONE) {
-     *     app.tell('Number one is a great choice!');
-     *   } else {
-     *     app.tell('Number two is a great choice!');
-     *   }
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(OPTION_INTENT, optionIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string|RichResponse|SimpleResponse} inputPrompt The input prompt
-     *     response.
-     * @param {Carousel} carousel Carousel built with
-     *     {@link AssistantApp#buildCarousel|buildCarousel}.
-     * @return {Object} HTTP response.
-     * @dialogflow
-     */
-    askWithCarousel(inputPrompt: string | RichResponse | SimpleResponse, carousel: Carousel): object;
-
-    /**
-     * Tells the Assistant to render the speech response and close the mic.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const WELCOME_INTENT = 'input.welcome';
-     * const NUMBER_INTENT = 'input.number';
-     *
-     * function welcomeIntent (app) {
-     *   app.ask('Welcome to action snippets! Say a number.');
-     * }
-     *
-     * function numberIntent (app) {
-     *   const number = app.getArgument(NUMBER_ARGUMENT);
-     *   app.tell('You said ' + number);
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(NUMBER_INTENT, numberIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string|SimpleResponse|RichResponse} textToSpeech Final response.
-     *     Spoken response can be SSML.
-     * @return The response that is sent back to Assistant.
-     * @dialogflow
-     */
-    tell(speechResponse: string | SimpleResponse | RichResponse): object;
-
-    /**
-     * Set a new context for the current intent.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const CONTEXT_NUMBER = 'number';
-     * const NUMBER_ARGUMENT = 'myNumber';
-     *
-     * function welcomeIntent (app) {
-     *   app.setContext(CONTEXT_NUMBER);
-     *   app.ask('Welcome to action snippets! Say a number.');
-     * }
-     *
-     * function numberIntent (app) {
-     *   const number = app.getArgument(NUMBER_ARGUMENT);
-     *   app.tell('You said ' + number);
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(NUMBER_INTENT, numberIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @param {string} name Name of the context. Dialogflow converts to lowercase.
-     * @param {int} [lifespan=1] Context lifespan.
-     * @param {Object=} parameters Context JSON parameters.
-     * @dialogflow
-     */
-    setContext(name: string, lifespan: number, parameters?: object): void;
-
-    /**
-     * Returns the incoming contexts for this intent.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const CONTEXT_NUMBER = 'number';
-     * const NUMBER_ARGUMENT = 'myNumber';
-     *
-     * function welcomeIntent (app) {
-     *   app.setContext(CONTEXT_NUMBER);
-     *   app.ask('Welcome to action snippets! Say a number.');
-     * }
-     *
-     * function numberIntent (app) {
-     *   let contexts = app.getContexts();
-     *   // contexts === [{
-     *   //   name: 'number',
-     *   //   lifespan: 0,
-     *   //   parameters: {
-     *   //     myNumber: '23',
-     *   //     myNumber.original: '23'
-     *   //   }
-     *   // }]
-     *   const number = app.getArgument(NUMBER_ARGUMENT);
-     *   app.tell('You said ' + number);
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(NUMBER_INTENT, numberIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @return {Context[]} Empty if no active contexts.
-     * @dialogflow
-     */
-    getContexts(): Context[];
-
-    /**
-     * Returns the incoming context by name for this intent.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * const CONTEXT_NUMBER = 'number';
-     * const NUMBER_ARGUMENT = 'myNumber';
-     *
-     * function welcomeIntent (app) {
-     *   app.setContext(CONTEXT_NUMBER);
-     *   app.ask('Welcome to action snippets! Say a number.');
-     * }
-     *
-     * function numberIntent (app) {
-     *   let context = app.getContext(CONTEXT_NUMBER);
-     *   // context === {
-     *   //   name: 'number',
-     *   //   lifespan: 0,
-     *   //   parameters: {
-     *   //     myNumber: '23',
-     *   //     myNumber.original: '23'
-     *   //   }
-     *   // }
-     *   const number = app.getArgument(NUMBER_ARGUMENT);
-     *   app.tell('You said ' + number);
-     * }
-     *
-     * const actionMap = new Map();
-     * actionMap.set(WELCOME_INTENT, welcomeIntent);
-     * actionMap.set(NUMBER_INTENT, numberIntent);
-     * app.handleRequest(actionMap);
-     *
-     * @return {Object} Context value matching name
-     *     or null if no matching context.
-     * @dialogflow
-     */
-    getContext(name: string): object;
-
-    /**
-     * Gets the user's raw input query.
-     *
-     * @example
-     * const app = new DialogflowApp({request: request, response: response});
-     * app.tell('You said ' + app.getRawInput());
-     *
-     * @return {string} User's raw query or null if no value.
-     * @dialogflow
-     */
-    getRawInput(): string;
-}
diff --git a/types/actions-on-google/response-builder.d.ts b/types/actions-on-google/response-builder.d.ts
deleted file mode 100644
index 1133879819..0000000000
--- a/types/actions-on-google/response-builder.d.ts
+++ /dev/null
@@ -1,317 +0,0 @@
-/**
- * A collection of response builders.
- */
-
-import { OrderUpdate } from './transactions';
-
-/**
- * Simple Response type.
- */
-export interface SimpleResponse {
-    /** Speech to be spoken to user. SSML allowed. */
-    speech: string;
-    /** Optional text to be shown to user */
-    displayText?: string;
-}
-
-/**
- * Suggestions to show with response.
- */
-export interface Suggestion {
-    /** Text of the suggestion. */
-    title: string;
-}
-
-/**
- * Link Out Suggestion. Used in rich response as a suggestion chip which, when
- * selected, links out to external URL.
- */
-export interface LinkOutSuggestion {
-    /** Text shown on the suggestion chip. */
-    title: string;
-    /** String URL to open. */
-    url: string;
-}
-
-/**
- * Image type shown on visual elements.
- */
-export interface Image {
-    /** Image source URL. */
-    url: string;
-    /** Text to replace for image for accessibility. */
-    accessibilityText: string;
-    /** Width of the image. */
-    width: number;
-    /** Height of the image. */
-    height: number;
-}
-
-/**
- * Basic Card Button. Shown below basic cards. Open a URL when selected.
- */
-export interface Button {
-    /** Text shown on the button. */
-    title: string;
-    /** Action to take when selected. */
-    openUrlAction: {
-        /** String URL to open. */
-        url: string;
-    };
-}
-
-/**
- * Option item. Used in actions.intent.OPTION intent.
- */
-export interface OptionItem {
-    /** Option item identifier information. */
-    optionInfo: OptionInfo;
-    /** Name of the item. */
-    title: string;
-    /** Optional text describing the item. */
-    description: string;
-    /** Square image to show for this item. */
-    image: Image;
-}
-
-/**
- * Option info. Provides unique identifier for a given OptionItem.
- */
-export interface OptionInfo {
-    /** Unique string ID for this option. */
-    key: string;
-    /** Synonyms that can be used by the user to indicate this option if they do not use the key. */
-    synonyms: string[];
-}
-
-/**
- * Class for initializing and constructing Rich Responses with chainable interface.
- */
-export class RichResponse {
-    /**
-     * Constructor for RichResponse. Accepts optional RichResponse to clone.
-     *
-     * @param {RichResponse} richResponse
-     */
-    constructor(richResponse: RichResponse);
-
-    /**
-     * Adds a SimpleResponse to list of items.
-     *
-     * @param {string|SimpleResponse} simpleResponse Simple response to present to
-     *     user. If just a string, display text will not be set.
-     * @return {RichResponse} Returns current constructed RichResponse.
-     */
-    addSimpleResponse(simpleResponse: string | SimpleResponse): RichResponse;
-
-    /**
-     * Adds a BasicCard to list of items.
-     *
-     * @param {BasicCard} basicCard Basic card to include in response.
-     * @return {RichResponse} Returns current constructed RichResponse.
-     */
-    addBasicCard(basicCard: BasicCard): RichResponse;
-
-    /**
-     * Adds a single suggestion or list of suggestions to list of items.
-     *
-     * @param {string|Array<string>} suggestions Either a single string suggestion
-     *     or list of suggestions to add.
-     * @return {RichResponse} Returns current constructed RichResponse.
-     */
-    addSuggestions(suggestions: string | string[]): RichResponse;
-
-    /**
-     * Returns true if the given suggestion text is valid to be added to the suggestion list. A valid
-     * text string is not longer than 25 characters.
-     */
-    isValidSuggestionText(suggestionText: string): boolean;
-
-    /**
-     * Sets the suggestion link for this rich response.
-     *
-     * @param {string} destinationName Name of the link out destination.
-     * @param {string} suggestionUrl - String URL to open when suggestion is used.
-     * @return {RichResponse} Returns current constructed RichResponse.
-     */
-    addSuggestionLink(destinationName: string, suggestionUrl: string): RichResponse;
-
-    /**
-     * Adds an order update to this response. Use after a successful transaction
-     * decision to confirm the order.
-     *
-     * @param {OrderUpdate} orderUpdate
-     * @return {RichResponse} Returns current constructed RichResponse.
-     */
-    addOrderUpdate(orderUpdate: OrderUpdate): RichResponse;
-}
-
-/**
- * Class for initializing and constructing Basic Cards with chainable interface.
- */
-export class BasicCard {
-    /**
-     * Constructor for BasicCard. Accepts optional BasicCard to clone.
-     *
-     * @param {BasicCard} basicCard
-     */
-    constructor(basicCard: BasicCard);
-
-    /**
-     * Sets the title for this Basic Card.
-     *
-     * @param {string} title Title to show on card.
-     * @return {BasicCard} Returns current constructed BasicCard.
-     */
-    setTitle(title: string): BasicCard;
-
-    /**
-     * Sets the subtitle for this Basic Card.
-     *
-     * @param {string} subtitle Subtitle to show on card.
-     * @return {BasicCard} Returns current constructed BasicCard.
-     */
-    setSubtitle(subtitle: string): BasicCard;
-
-    /**
-     * Sets the body text for this Basic Card.
-     *
-     * @param {string} bodyText Body text to show on card.
-     * @return {BasicCard} Returns current constructed BasicCard.
-     */
-    setBodyText(bodyText: string): BasicCard;
-
-    /**
-     * Sets the image for this Basic Card.
-     *
-     * @param {string} url Image source URL.
-     * @param {string} accessibilityText Text to replace for image for
-     *     accessibility.
-     * @param {number=} width Width of the image.
-     * @param {number=} height Height of the image.
-     * @return {BasicCard} Returns current constructed BasicCard.
-     */
-    setImage(url: string, accessibilityText: string, width?: number, height?: number): BasicCard;
-
-    /**
-     * Adds a button below card.
-     *
-     * @param {string} text Text to show on button.
-     * @param {string} url URL to open when button is selected.
-     * @return {BasicCard} Returns current constructed BasicCard.
-     */
-    addButton(text: string, url: string): BasicCard;
-}
-
-/**
- * Class for initializing and constructing Lists with chainable interface.
- */
-export class List {
-    /**
-     * Constructor for List. Accepts optional List to clone, string title, or
-     * list of items to copy.
-     *
-     * @param {List|string|Array<OptionItem>} list Either a list to clone, a title
-     *     to set for a new List, or an array of OptionItem to initialize a new
-     *     list.
-     */
-    constructor(list: List | string | OptionItem[]);
-
-    /**
-     * Sets the title for this List.
-     *
-     * @param {string} title Title to show on list.
-     * @return {List} Returns current constructed List.
-     */
-    setTitle(title: string): List;
-
-    /**
-     * Adds a single item or list of items to the list.
-     *
-     * @param {OptionItem|Array<OptionItem>} optionItems OptionItems to add.
-     * @return {List} Returns current constructed List.
-     */
-    addItems(optionItems: OptionItem | OptionItem[]): List;
-}
-
-/**
- * Class for initializing and constructing Carousel with chainable interface.
- */
-export class Carousel {
-    /**
-     * Constructor for Carousel. Accepts optional Carousel to clone or list of
-     * items to copy.
-     *
-     * @param {Carousel|Array<OptionItem>} carousel Either a carousel to clone, a
-     *     or an array of OptionItem to initialize a new carousel
-     */
-    constructor(carousel: Carousel | OptionItem[]);
-
-    /**
-     * Adds a single item or list of items to the carousel.
-     *
-     * @param {OptionItem|Array<OptionItem>} optionItems OptionItems to add.
-     * @return {Carousel} Returns current constructed Carousel.
-     */
-    addItems(optionItems: OptionItem | OptionItem[]): Carousel;
-}
-
-/**
- * Class for initializing and constructing Option Items with chainable interface.
- */
-export class OptionItem {
-    /**
-     * Constructor for OptionItem. Accepts optional OptionItem to clone.
-     *
-     * @param {OptionItem} optionItem
-     */
-    constructor(optionItem: OptionItem);
-
-    /**
-     * Sets the title for this Option Item.
-     *
-     * @param {string} title Title to show on item.
-     * @return {OptionItem} Returns current constructed OptionItem.
-     */
-    setTitle(title: string): OptionItem;
-
-    /**
-     * Sets the description for this Option Item.
-     *
-     * @param {string} description Description to show on item.
-     * @return {OptionItem} Returns current constructed OptionItem.
-     */
-    setDescription(description: string): OptionItem;
-
-    /**
-     * Sets the image for this Option Item.
-     *
-     * @param {string} url Image source URL.
-     * @param {string} accessibilityText Text to replace for image for
-     *     accessibility.
-     * @param {number=} width Width of the image.
-     * @param {number=} height Height of the image.
-     * @return {OptionItem} Returns current constructed OptionItem.
-     */
-    setImage(url: string, accessibilityText: string, width?: number, height?: number): OptionItem;
-
-    /**
-     * Sets the key for the OptionInfo of this Option Item. This will be returned
-     * as an argument in the resulting actions.intent.OPTION intent.
-     *
-     * @param {string} key Key to uniquely identify this item.
-     * @return {OptionItem} Returns current constructed OptionItem.
-     */
-    setKey(key: string): OptionItem;
-
-    /**
-     * Adds a single synonym or list of synonyms to item.
-     *
-     * @param {string|Array<string>} synonyms Either a single string synonyms
-     *     or list of synonyms to add.
-     * @return {OptionItem} Returns current constructed OptionItem.
-     */
-    addSynonyms(synonyms: string | string[]): OptionItem;
-}
-
-export function isSsml(text: string): boolean;
diff --git a/types/actions-on-google/transactions.d.ts b/types/actions-on-google/transactions.d.ts
deleted file mode 100644
index d2773896b8..0000000000
--- a/types/actions-on-google/transactions.d.ts
+++ /dev/null
@@ -1,1390 +0,0 @@
-/**
- * A collection of Transaction related constants, utility functions, and
- * builders.
- */
-
-import { Image } from './response-builder';
-
-/**
- * Price type.
- */
-export interface Price {
-    /** One of Transaction.PriceType. */
-    type: PriceType;
-    amount: {
-        /** Currency code of price. */
-        currencyCode: string;
-        /** Unit count of price. */
-        units: number;
-        /** Partial unit count of price. */
-        nanos?: number;
-    };
-}
-
-/**
- * Order rejection info.
- */
-export interface RejectionInfo {
-    /** One of Transaction.RejectionType. */
-    type: RejectionType;
-    /** Reason for the order rejection. */
-    reason: string;
-}
-
-/**
- * Order receipt info.
- */
-export interface ReceiptInfo {
-    /** Action provided order ID. Used when the order has been received by the integrator. */
-    confirmedActionOrderId: string;
-}
-
-/**
- * Order cancellation info.
- */
-export interface CancellationInfo {
-    /** Reason for the cancellation. */
-    reason: string;
-}
-
-/**
- * Order transit info.
- */
-export interface TransitInfo {
-    /** UTC timestamp of the transit update. */
-    updatedTime: {
-        /** Seconds since Unix epoch. */
-        seconds: number;
-        /** Partial seconds since Unix epoch. */
-        nanos?: number;
-    };
-}
-
-/**
- * Order fulfillment info.
- */
-export interface FulfillmentInfo {
-    /** UTC timestamp of the fulfillment update. */
-    deliveryTime: {
-        /** Seconds since Unix epoch. */
-        seconds: number;
-        /** Partial seconds since Unix epoch. */
-        nanos?: number;
-    };
-}
-
-/**
- * Order return info.
- */
-export interface ReturnInfo {
-    /** Reason for the return. */
-    reason: string;
-}
-
-/**
- * Transaction config for transactions not involving a Google provided
- * payment instrument.
- */
-export interface ActionPaymentTransactionConfig {
-    /** True if delivery address is required for the transaction. */
-    deliveryAddressRequired: boolean;
-    /** One of Transactions.PaymentType. */
-    type: PaymentType;
-    /** The name of the instrument displayed on receipt. For example, for card payment, could be "VISA-1234". */
-    displayName: string;
-    customerInfoOptions?: CustomerInfoOptions;
-}
-
-/**
- * Transaction config for transactions involving a Google provided payment
- * instrument.
- */
-export interface GooglePaymentTransactionConfig {
-    /** True if delivery address is required for the transaction. */
-    deliveryAddressRequired: boolean;
-    /** Tokenization parameters provided by payment gateway. */
-    tokenizationParameters: object;
-    /** List of accepted card networks. Must be any number of Transactions.CardNetwork. */
-    cardNetworks: CardNetwork[];
-    /** True if prepaid cards are not allowed for transaction. */
-    prepaidCardDisallowed: boolean;
-    customerInfoOptions?: CustomerInfoOptions;
-}
-
-/**
- * Customer information requested as part of the transaction
- */
-export interface CustomerInfoOptions {
-    /** one of Transactions.CustomerInfoProperties */
-    customerInfoProperties: string[];
-}
-
-/**
- * Generic Location type.
- */
-export interface Location {
-    postalAddress: {
-        regionCode: string;
-        languageCode: string;
-        postalCode: string;
-        administrativeArea: string;
-        locality: string;
-        addressLines: string[];
-        recipients: string;
-    };
-    phoneNumber: string;
-    notes: string;
-}
-
-/**
- * Decision and order information returned when calling getTransactionDecision().
- */
-export interface TransactionDecision {
-    /** One of Transactions.ConfirmationDecision. */
-    userDecision: ConfirmationDecision;
-    checkResult: {
-        /** One of Transactions.ResultType. */
-        resultType: string;
-    };
-    order: {
-        /** The proposed order used in the transaction decision. */
-        finalOrder: Order;
-        /** Order ID assigned by Google. */
-        googleOrderId: string;
-        /** User visible order ID set in proposed order. */
-        actionOrderId: string;
-        /** The date and time the order was created */
-        orderDate: {
-            seconds: string;
-            nanos: number;
-        };
-        /** The details regarding the payment method that must be used to charge the user. */
-        paymentInfo: {
-            /** One of Transactions.PaymentType. */
-            paymentType: PaymentType;
-            googleProvidedPaymentInstrument: {
-                /**
-                 * Contains a Base64-encoded payment token provided by a third-party payment processor
-                 * Returned for Google-provided payment methods only
-                 */
-                instrumentToken: string;
-            };
-            /**
-             * Name of the instrument displayed on the receipt
-             * Returned for payment methods provided by your app only
-             */
-            displayName: string;
-        };
-        // Any customer information (e.g. email address) requested
-        customerInfo: {
-            /** Customer email. */
-            email: string;
-        };
-    };
-    /**
-     * The delivery address if user requested.
-     * Will appear if userDecision is Transactions.DELIVERY_ADDRESS_UPDATED.
-     */
-    deliveryAddress: Location;
-}
-
-/**
- * List of transaction card networks available when paying with Google.
- */
-export type CardNetwork =
-    /**
-     * Unspecified.
-     */
-    'UNSPECIFIED' |
-    /**
-     * American Express.
-     */
-    'AMEX' |
-    /**
-     * Discover.
-     */
-    'DISCOVER' |
-    /**
-     * Master Card.
-     */
-    'MASTERCARD' |
-    /**
-     * Visa.
-     */
-    'VISA' |
-    /**
-     * JCB.
-     */
-    'JCB';
-
-/**
- * List of possible item types.
- * @enum {string}
- */
-export type ItemType =
-    /**
-     * Unspecified.
-     */
-    'UNSPECIFIED' |
-    /**
-     * Regular.
-     */
-    'REGULAR' |
-    /**
-     * Tax.
-     */
-    'TAX' |
-    /**
-     * Discount
-     */
-    'DISCOUNT' |
-    /**
-     * Gratuity
-     */
-    'GRATUITY' |
-    /**
-     * Delivery
-     */
-    'DELIVERY' |
-    /**
-     * Subtotal
-     */
-    'SUBTOTAL' |
-    /**
-     * Fee. For everything else, there's fee.
-     */
-    'FEE';
-
-/**
- * List of price types.
- * @enum {string}
- */
-export type PriceType =
-    /**
-     * Unknown.
-     */
-    'UNKNOWN' |
-    /**
-     * Estimate.
-     */
-    'ESTIMATE' |
-    /**
-     * Actual.
-     */
-    'ACTUAL';
-
-/**
- * List of possible item types.
- * @enum {string}
- */
-export type PaymentType =
-    /**
-     * Unspecified.
-     */
-    'UNSPECIFIED' |
-    /**
-     * Payment card.
-     */
-    'PAYMENT_CARD' |
-    /**
-     * Bank.
-     */
-    'BANK' |
-    /**
-     * Loyalty program.
-     */
-    'LOYALTY_PROGRAM' |
-    /**
-     * On order fulfillment, such as cash on delivery.
-     */
-    'ON_FULFILLMENT' |
-    /**
-     * Gift card.
-     */
-    'GIFT_CARD';
-
-/**
- * List of customer information properties that can be requested.
- */
-export type CustomerInfoProperties = 'EMAIL';
-
-/**
- * List of possible order confirmation user decisions
- * @enum {string}
- */
-export type ConfirmationDecision =
-    /**
-     * Order was approved by user.
-     */
-    'ORDER_ACCEPTED' |
-    /**
-     * Order was declined by user.
-     */
-    'ORDER_REJECTED' |
-    /**
-     * Order was not declined, but the delivery address was updated during
-     * confirmation.
-     */
-    'DELIVERY_ADDRESS_UPDATED' |
-    /**
-     * Order was not declined, but the cart was updated during confirmation.
-     */
-    'CART_CHANGE_REQUESTED';
-
-/**
- * List of possible order states.
- * @enum {string}
- */
-export type OrderState =
-    /**
-     * Order was rejected.
-     */
-    'REJECTED' |
-    /**
-     * Order was confirmed by integrator and is active.
-     */
-    'CONFIRMED' |
-    /**
-     * User cancelled the order.
-     */
-    'CANCELLED' |
-    /**
-     * Order is being delivered.
-     */
-    'IN_TRANSIT' |
-    /**
-     * User performed a return.
-     */
-    'RETURNED' |
-    /**
-     * User received what was ordered.
-     */
-    'FULFILLED';
-
-/**
- * List of possible actions to take on the order.
- * @enum {string}
- */
-export type OrderAction =
-    /**
-     * View details.
-     */
-    'VIEW_DETAILS' |
-    /**
-     * Modify order.
-     */
-    'MODIFY' |
-    /**
-     * Cancel order.
-     */
-    'CANCEL' |
-    /**
-     * Return order.
-     */
-    'RETURN' |
-    /**
-     * Exchange order.
-     */
-    'EXCHANGE' |
-    /**
-     * Email.
-     */
-    'EMAIL' |
-    /**
-     * Call.
-     */
-    'CALL' |
-    /**
-     * Reorder.
-     */
-    'REORDER' |
-    /**
-     * Review.
-     */
-    'REVIEW';
-
-/**
- * List of possible types of order rejection.
- * @enum {string}
- */
-export type RejectionType =
-    /**
-     * Unknown
-     */
-    'UNKNOWN' |
-    /**
-     * Payment was declined.
-     */
-    'PAYMENT_DECLINED';
-
-/**
- * List of possible order state objects.
- * @enum {string}
- */
-export type OrderStateInfo =
-    /**
-     * Information about order rejection. Used with {@link RejectionInfo}.
-     */
-    'rejectionInfo' |
-    /**
-     * Information about order receipt. Used with {@link ReceiptInfo}.
-     */
-    'receipt' |
-    /**
-     * Information about order cancellation. Used with {@link CancellationInfo}.
-     */
-    'cancellationInfo' |
-    /**
-     * Information about in-transit order. Used with {@link TransitInfo}.
-     */
-    'inTransitInfo' |
-    /**
-     * Information about order fulfillment. Used with {@link FulfillmentInfo}.
-     */
-    'fulfillmentInfo' |
-    /**
-     * Information about order return. Used with {@link ReturnInfo}.
-     */
-    'returnInfo';
-
-/**
- * List of possible order transaction requirements check result types.
- * @enum {string}
- */
-export type ResultType =
-    /**
-     * Unspecified.
-     */
-    'RESULT_TYPE_UNSPECIFIED' |
-    /**
-     * OK to continue transaction.
-     */
-    'OK' |
-    /**
-     * User is expected to take action, e.g. enable payments, to continue
-     * transaction.
-     */
-    'USER_ACTION_REQUIRED' |
-    /**
-     * Transactions are not supported on current device/surface.
-     */
-    'ASSISTANT_SURFACE_NOT_SUPPORTED' |
-    /**
-     * Transactions are not supported for current region/country.
-     */
-    'REGION_NOT_SUPPORTED';
-
-/**
- * List of possible user decisions to give delivery address.
- * @enum {string}
- */
-export type DeliveryAddressDecision =
-    /**
-     * Unknown.
-     */
-    'UNKNOWN_USER_DECISION' |
-    /**
-     * User granted delivery address.
-     */
-    'ACCEPTED' |
-    /**
-     * User denied to give delivery address.
-     */
-    'REJECTED';
-
-/**
- * List of possible order location types.
- * @enum {string}
- */
-export type LocationType =
-    /**
-     * Unknown.
-     */
-    'UNKNOWN' |
-    /**
-     * Delivery location for an order.
-     */
-    'DELIVERY' |
-    /**
-     * Business location of order provider.
-     */
-    'BUSINESS' |
-    /**
-     * Origin of the order.
-     */
-    'ORIGIN' |
-    /**
-     * Destination of the order.
-     */
-    'DESTINATION';
-
-/**
- * List of possible order time types.
- * @enum {string}
- */
-
-export type TimeType =
-    /**
-     * Unknown.
-     */
-    'UNKNOWN' |
-    /**
-     * Date of delivery for the order.
-     */
-    'DELIVERY_DATE' |
-    /**
-     * Estimated Time of Arrival for order.
-     */
-    'ETA' |
-    /**
-     * Reservation time.
-     */
-    'RESERVATION_SLOT';
-
-/**
- * Values related to supporting transactions.
- * @type {Object}
- */
-export const TransactionValues: {
-    /**
-     * List of transaction card networks available when paying with Google.
-     * @enum {string}
-     */
-    readonly CardNetwork: {
-        /**
-         * Unspecified.
-         */
-        UNSPECIFIED: CardNetwork,
-        /**
-         * American Express.
-         */
-        AMEX: CardNetwork,
-        /**
-         * Discover.
-         */
-        DISCOVER: CardNetwork,
-        /**
-         * Master Card.
-         */
-        MASTERCARD: CardNetwork,
-        /**
-         * Visa.
-         */
-        VISA: CardNetwork,
-        /**
-         * JCB.
-         */
-        JCB: CardNetwork,
-    },
-
-    /**
-     * List of possible item types.
-     * @enum {string}
-     */
-    readonly ItemType: {
-        /**
-         * Unspecified.
-         */
-        UNSPECIFIED: ItemType,
-        /**
-         * Regular.
-         */
-        REGULAR: ItemType,
-        /**
-         * Tax.
-         */
-        TAX: ItemType,
-        /**
-         * Discount
-         */
-        DISCOUNT: ItemType,
-        /**
-         * Gratuity
-         */
-        GRATUITY: ItemType,
-        /**
-         * Delivery
-         */
-        DELIVERY: ItemType,
-        /**
-         * Subtotal
-         */
-        SUBTOTAL: ItemType,
-        /**
-         * Fee. For everything else, there's fee.
-         */
-        FEE: ItemType,
-    },
-
-    /**
-     * List of price types.
-     * @enum {string}
-     */
-    readonly PriceType: {
-        /**
-         * Unknown.
-         */
-        UNKNOWN: PriceType,
-        /**
-         * Estimate.
-         */
-        ESTIMATE: PriceType,
-        /**
-         * Actual.
-         */
-        ACTUAL: PriceType,
-    },
-
-    /**
-     * List of possible item types.
-     * @enum {string}
-     */
-    readonly PaymentType: {
-        /**
-         * Unspecified.
-         */
-        UNSPECIFIED: PaymentType,
-        /**
-         * Payment card.
-         */
-        PAYMENT_CARD: PaymentType,
-        /**
-         * Bank.
-         */
-        BANK: PaymentType,
-        /**
-         * Loyalty program.
-         */
-        LOYALTY_PROGRAM: PaymentType,
-        /**
-         * On order fulfillment, such as cash on delivery.
-         */
-        ON_FULFILLMENT: PaymentType,
-        /**
-         * Gift card.
-         */
-        GIFT_CARD: PaymentType,
-    },
-
-    /**
-     * List of possible order confirmation user decisions
-     * @enum {string}
-     */
-    readonly CustomerInfoProperties: {
-        EMAIL: CustomerInfoProperties,
-    },
-
-    /**
-     * List of possible order confirmation user decisions
-     * @enum {string}
-     */
-    readonly ConfirmationDecision: {
-        /**
-         * Order was approved by user.
-         */
-        ACCEPTED: ConfirmationDecision,
-        /**
-         * Order was declined by user.
-         */
-        REJECTED: ConfirmationDecision,
-        /**
-         * Order was not declined, but the delivery address was updated during
-         * confirmation.
-         */
-        DELIVERY_ADDRESS_UPDATED: ConfirmationDecision,
-        /**
-         * Order was not declined, but the cart was updated during confirmation.
-         */
-        CART_CHANGE_REQUESTED: ConfirmationDecision,
-    },
-
-    /**
-     * List of possible order states.
-     * @enum {string}
-     */
-    readonly OrderState: {
-        /**
-         * Order was rejected.
-         */
-        REJECTED: OrderState,
-        /**
-         * Order was confirmed by integrator and is active.
-         */
-        CONFIRMED: OrderState,
-        /**
-         * User cancelled the order.
-         */
-        CANCELLED: OrderState,
-        /**
-         * Order is being delivered.
-         */
-        IN_TRANSIT: OrderState,
-        /**
-         * User performed a return.
-         */
-        RETURNED: OrderState,
-        /**
-         * User received what was ordered.
-         */
-        FULFILLED: OrderState,
-    },
-
-    /**
-     * List of possible actions to take on the order.
-     * @enum {string}
-     */
-    readonly OrderAction: {
-        /**
-         * View details.
-         */
-        VIEW_DETAILS: OrderAction,
-        /**
-         * Modify order.
-         */
-        MODIFY: OrderAction,
-        /**
-         * Cancel order.
-         */
-        CANCEL: OrderAction,
-        /**
-         * Return order.
-         */
-        RETURN: OrderAction,
-        /**
-         * Exchange order.
-         */
-        EXCHANGE: OrderAction,
-        /**
-         * Email.
-         */
-        EMAIL: OrderAction,
-        /**
-         * Call.
-         */
-        CALL: OrderAction,
-        /**
-         * Reorder.
-         */
-        REORDER: OrderAction,
-        /**
-         * Review.
-         */
-        REVIEW: OrderAction,
-    },
-
-    /**
-     * List of possible types of order rejection.
-     * @enum {string}
-     */
-    readonly RejectionType: {
-        /**
-         * Unknown
-         */
-        UNKNOWN: RejectionType,
-        /**
-         * Payment was declined.
-         */
-        PAYMENT_DECLINED: RejectionType,
-    },
-
-    /**
-     * List of possible order state objects.
-     * @enum {string}
-     */
-    readonly OrderStateInfo: {
-        /**
-         * Information about order rejection. Used with {@link RejectionInfo}.
-         */
-        REJECTION: OrderStateInfo,
-        /**
-         * Information about order receipt. Used with {@link ReceiptInfo}.
-         */
-        RECEIPT: OrderStateInfo,
-        /**
-         * Information about order cancellation. Used with {@link CancellationInfo}.
-         */
-        CANCELLATION: OrderStateInfo,
-        /**
-         * Information about in-transit order. Used with {@link TransitInfo}.
-         */
-        IN_TRANSIT: OrderStateInfo,
-        /**
-         * Information about order fulfillment. Used with {@link FulfillmentInfo}.
-         */
-        FULFILLMENT: OrderStateInfo,
-        /**
-         * Information about order return. Used with {@link ReturnInfo}.
-         */
-        RETURN: OrderStateInfo,
-    },
-
-    /**
-     * List of possible order transaction requirements check result types.
-     * @enum {string}
-     */
-    readonly ResultType: {
-        /**
-         * Unspecified.
-         */
-        UNSPECIFIED: ResultType,
-        /**
-         * OK to continue transaction.
-         */
-        OK: ResultType,
-        /**
-         * User is expected to take action, e.g. enable payments, to continue
-         * transaction.
-         */
-        USER_ACTION_REQUIRED: ResultType,
-        /**
-         * Transactions are not supported on current device/surface.
-         */
-        ASSISTANT_SURFACE_NOT_SUPPORTED: ResultType,
-        /**
-         * Transactions are not supported for current region/country.
-         */
-        REGION_NOT_SUPPORTED: ResultType,
-    },
-
-    /**
-     * List of possible user decisions to give delivery address.
-     * @enum {string}
-     */
-    readonly DeliveryAddressDecision: {
-        /**
-         * Unknown.
-         */
-        UNKNOWN: DeliveryAddressDecision,
-        /**
-         * User granted delivery address.
-         */
-        ACCEPTED: DeliveryAddressDecision,
-        /**
-         * User denied to give delivery address.
-         */
-        REJECTED: DeliveryAddressDecision,
-    },
-
-    /**
-     * List of possible user decisions to give delivery address.
-     * @enum {string}
-     */
-    readonly LocationType: {
-        /**
-         * Unknown.
-         */
-        UNKNOWN: LocationType,
-        /**
-         * Delivery location for an order.
-         */
-        DELIVERY: LocationType,
-        /**
-         * Business location of order provider.
-         */
-        BUSINESS: LocationType,
-        /**
-         * Origin of the order.
-         */
-        ORIGIN: LocationType,
-        /**
-         * Destination of the order.
-         */
-        DESTINATION: LocationType,
-    },
-
-    /**
-     * List of possible user decisions to give delivery address.
-     * @enum {string}
-     */
-    readonly TimeType: {
-        /**
-         * Unknown.
-         */
-        UNKNOWN: TimeType,
-        /**
-         * Date of delivery for the order.
-         */
-        DELIVERY_DATE: TimeType,
-        /**
-         * Estimated Time of Arrival for order.
-         */
-        ETA: TimeType,
-        /**
-         * Reservation time.
-         */
-        RESERVATION_SLOT: TimeType,
-    },
-};
-
-/**
- * Class for initializing and constructing Order with chainable interface.
- */
-export class Order {
-    /**
-     * ID for the order. Required.
-     */
-    readonly id: string;
-
-    /**
-     * Cart for the order.
-     */
-    readonly cart: Cart;
-
-    /**
-     * Items not held in the order cart.
-     */
-    readonly otherItems: LineItem[];
-
-    /**
-     * Image for the order.
-     */
-    readonly image: Image;
-
-    /**
-     * TOS for the order.
-     */
-    readonly termsOfServiceUrl: string;
-
-    /**
-     * Total price for the order.
-     * @type {Price}
-     */
-    readonly totalPrice: Price;
-
-    /**
-     * Extensions for this order. Used for vertical-specific order attributes,
-     * like times and locations.
-     */
-    readonly extension: object;
-
-    /**
-     * Constructor for Order.
-     *
-     * @param {string} orderId Unique identifier for the order.
-     */
-    constructor(orderId: string);
-
-    /**
-     * Set the cart for this order.
-     *
-     * @param {Cart} cart Cart for this order.
-     * @return {Order} Returns current constructed Order.
-     */
-    setCart(cart: Cart): Order;
-
-    /**
-     * Adds a single item or list of items to the non-cart items list.
-     *
-     * @param {LineItem|Array<LineItem>} items Line Items to add.
-     * @return {Order} Returns current constructed Order.
-     */
-    addOtherItems(items: LineItem | LineItem[]): Order;
-
-    /**
-     * Sets the image for this order.
-     *
-     * @param {string} url Image source URL.
-     * @param {string} accessibilityText Text to replace for image for
-     *     accessibility.
-     * @param {number=} width Width of the image.
-     * @param {number=} height Height of the image.
-     * @return {Order} Returns current constructed Order.
-     */
-    setImage(url: string, accessibilityText: string, width?: number, height?: number): Order;
-
-    /**
-     * Set the TOS for this order.
-     *
-     * @param {string} tos String URL of the TOS.
-     * @return {Order} Returns current constructed Order.
-     */
-    setTermsOfService(url: string): Order;
-
-    /**
-     * Sets the total price for this order.
-     *
-     * @param {string} priceType One of TransactionValues.PriceType.
-     * @param {string} currencyCode Currency code of price.
-     * @param {number} units Unit count of price.
-     * @param {number=} nanos Partial unit count of price.
-     * @return {Order} Returns current constructed Order.
-     */
-    setTotalPrice(priceType: PriceType, currencyCode: string, units: number, nanos?: number): Order;
-
-    /**
-     * Adds an associated location to the order. Up to 2 locations can be added.
-     *
-     * @param {string} type One of TransactionValues.LocationType.
-     * @param {Location} location Location to add.
-     * @return {Order} Returns current constructed Order.
-     */
-    addLocation(type: string, location: Location): Order;
-
-    /**
-     * Sets an associated time to the order.
-     *
-     * @param {string} type One of TransactionValues.TimeType.
-     * @param {string} time Time to add. Time should be ISO 8601 representation
-     *     of time value. Could be date, datetime, or duration.
-     * @return {Order} Returns current constructed Order.
-     */
-    setTime(type: string, time: string): Order;
-}
-
-/**
- * Class for initializing and constructing Cart with chainable interface.
- */
-export class Cart {
-    /**
-     * ID for the cart. Optional.
-     */
-    readonly id: string;
-
-    /**
-     * Merchant providing the cart.
-     */
-    readonly merchant: object;
-
-    /**
-     * Optional notes about the cart.
-     */
-    readonly notes: string;
-
-    /**
-     * Items held in the order cart.
-     */
-    readonly lineItems: LineItem[];
-
-    /**
-     * Non-line items.
-     */
-    readonly otherItems: LineItem[];
-
-    /**
-     * Constructor for Cart.
-     *
-     * @param {string=} cartId Optional unique identifier for the cart.
-     */
-    constructor(cartId?: string);
-
-    /**
-     * Set the merchant for this cart.
-     *
-     * @param {string} id Merchant ID.
-     * @param {string} name Name of the merchant.
-     * @return {Cart} Returns current constructed Cart.
-     */
-    setMerchant(id: string, name: string): Cart;
-
-    /**
-     * Set the notes for this cart.
-     *
-     * @param {string} notes Notes.
-     * @return {Cart} Returns current constructed Cart.
-     */
-    setNotes(notes: string): Cart;
-
-    /**
-     * Adds a single item or list of items to the cart.
-     *
-     * @param {LineItem|Array<LineItem>} items Line Items to add.
-     * @return {Cart} Returns current constructed Cart.
-     */
-    addLineItems(items: LineItem | LineItem[]): Cart;
-
-    /**
-     * Adds a single item or list of items to the non-items list of this cart.
-     *
-     * @param {LineItem|Array<LineItem>} items Line Items to add.
-     * @return {Cart} Returns current constructed Cart.
-     */
-    addOtherItems(items: LineItem | LineItem[]): Cart;
-}
-
-/**
- * Class for initializing and constructing LineItem with chainable interface.
- */
-export class LineItem {
-    /**
-     * Item ID.
-     */
-    readonly id: string;
-
-    /**
-     * Name of the item.
-     */
-    readonly name: string;
-
-    /**
-     * Item price.
-     */
-    readonly price: Price;
-
-    /**
-     * Sublines for current item. Only valid if item type is REGULAR.
-     */
-    readonly sublines: string[] | LineItem[];
-
-    /**
-     * Image of the item.
-     */
-    readonly image: Image;
-
-    /**
-     * Type of the item. One of TransactionValues.ItemType.
-     */
-    readonly type: ItemType;
-
-    /**
-     * Quantity of the item.
-     */
-    readonly quantity: number;
-
-    /**
-     * Description for the item.
-     */
-    readonly description: string;
-
-    /**
-     * Offer ID for the item.
-     */
-    readonly offerId: string;
-
-    /**
-     * Constructor for LineItem.
-     *
-     * @param {string} lineItemId Unique identifier for the item.
-     * @param {string} name Name of the item.
-     */
-    constructor(lineItemId: string, name: string);
-
-    /**
-     * Adds a single item or list of items or notes to the sublines. Only valid
-     * if item type is REGULAR.
-     *
-     * @param {string|LineItem|Array<string|LineItem>} items Sublines to add.
-     * @return {LineItem} Returns current constructed LineItem.
-     */
-    addSublines(items: string | LineItem | string[] | LineItem[]): LineItem;
-
-    /**
-     * Sets the image for this item.
-     *
-     * @param {string} url Image source URL.
-     * @param {string} accessibilityText Text to replace for image for
-     *     accessibility.
-     * @param {number=} width Width of the image.
-     * @param {number=} height Height of the image.
-     * @return {LineItem} Returns current constructed LineItem.
-     */
-    setImage(url: string, accessibilityText: string, width?: number, height?: number): LineItem;
-
-    /**
-     * Sets the price of this item.
-     *
-     * @param {string} priceType One of TransactionValues.PriceType.
-     * @param {string} currencyCode Currency code of price.
-     * @param {number} units Unit count of price.
-     * @param {number=} nanos Partial unit count of price.
-     * @return {LineItem} Returns current constructed LineItem.
-     */
-    setPrice(priceType: PriceType, currencyCode: string, units: number, nanos?: number): LineItem;
-
-    /**
-     * Set the type of the item.
-     *
-     * @param {string} type Type of the item. One of TransactionValues.ItemType.
-     * @return {LineItem} Returns current constructed LineItem.
-     */
-    setType(type: ItemType): LineItem;
-
-    /**
-     * Set the quantity of the item.
-     *
-     * @param {number} quantity Quantity of the item.
-     * @return {LineItem} Returns current constructed LineItem.
-     */
-    setQuantity(quantity: number): LineItem;
-
-    /**
-     * Set the description of the item.
-     *
-     * @param {string} description Description of the item.
-     * @return {LineItem} Returns current constructed LineItem.
-     */
-    setDescription(description: string): LineItem;
-
-    /**
-     * Set the Offer ID of the item.
-     *
-     * @param {string} offerId Offer ID of the item.
-     * @return {LineItem} Returns current constructed LineItem.
-     */
-    setOfferId(offerId: string): LineItem;
-}
-
-/**
- * Class for initializing and constructing OrderUpdate with chainable interface.
- */
-export class OrderUpdate {
-    /**
-     * Google provided identifier of the order.
-     * @type {string}
-     */
-    readonly googleOrderId?: string;
-
-    /**
-     * App provided identifier of the order.
-     * @type {string}
-     */
-    readonly actionOrderId?: string;
-
-    /**
-     * State of the order.
-     * @type {Object}
-     */
-    readonly orderState?: OrderState;
-
-    /**
-     * Updates for items in the order. Mapped by item id to state or price.
-     * @type {Object}
-     */
-    readonly lineItemUpdates?: object;
-
-    /**
-     * UTC timestamp of the order update.
-     * @type {Object}
-     */
-    readonly updateTime?: object;
-
-    /**
-     * Actionable items presented to the user to manage the order.
-     * @type {Object}
-     */
-    readonly orderManagementActions: object[];
-
-    /**
-     * Notification content to the user for the order update.
-     * @type {Object}
-     */
-    readonly userNotification: object;
-
-    /**
-     * Updated total price of the order.
-     * @type {Price}
-     */
-    readonly totalPrice: Price;
-
-    /**
-     * Constructor for OrderUpdate.
-     *
-     * @param {string} orderId Unique identifier of the order.
-     * @param {boolean} isGoogleOrderId True if the order ID is provided by
-     *     Google. False if the order ID is app provided.
-     */
-    constructor(orderId: string, isGoogleOrderId: boolean);
-
-    /**
-     * Set the Google provided order ID of the order.
-     *
-     * @param {string} orderId Google provided order ID.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    setGoogleOrderId(orderId: string): OrderUpdate;
-
-    /**
-     * Set the Action provided order ID of the order.
-     *
-     * @param {string} orderId Action provided order ID.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    setActionOrderId(orderId: string): OrderUpdate;
-
-    /**
-     * Set the state of the order.
-     *
-     * @param {string} state One of TransactionValues.OrderState.
-     * @param {string} label Label for the order state.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    setOrderState(state: OrderState, label: string): OrderUpdate;
-
-    /**
-     * Set the update time of the order.
-     *
-     * @param {number} seconds Seconds since Unix epoch.
-     * @param {number=} nanos Partial time units.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    setUpdateTime(seconds: number, nanos?: number): OrderUpdate;
-
-    /**
-     * Set the user notification content of the order update.
-     *
-     * @param {string} title Title of the notification.
-     * @param {text} text Text of the notification.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    setUserNotification(title: string, text: object): OrderUpdate;
-
-    /**
-     * Sets the total price for this order.
-     *
-     * @param {string} priceType One of TransactionValues.PriceType.
-     * @param {string} currencyCode Currency code of price.
-     * @param {number} units Unit count of price.
-     * @param {number=} nanos Partial unit count of price.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    setTotalPrice(priceType: PriceType, currencyCode: string, units: number, nanos?: number): OrderUpdate;
-
-    /**
-     * Adds an actionable item for the user to manage the order.
-     *
-     * @param {string} type One of TransactionValues.OrderActions.
-     * @param {string} label Button label.
-     * @param {string} url URL to open when button is clicked.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    addOrderManagementAction(type: OrderAction, label: string, url: string): OrderUpdate;
-
-    /**
-     * Adds a single price update for a particular line item in the order.
-     *
-     * @param {string} itemId Line item ID for the order item updated.
-     * @param {string} priceType One of TransactionValues.PriceType.
-     * @param {string} currencyCode Currency code of new price.
-     * @param {number} units Unit count of new price.
-     * @param {number=} nanos Partial unit count of new price.
-     * @param {string=} reason Reason for the price change. Required unless a
-     *     reason for this line item change was already declared in
-     *     addLineItemStateUpdate.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    addLineItemPriceUpdate(itemId: string, priceType: PriceType, currencyCode: string, units: number, nanos?: number, reason?: string): OrderUpdate;
-
-    /**
-     * Adds a single state update for a particular line item in the order.
-     *
-     * @param {string} itemId Line item ID for the order item updated.
-     * @param {string} state One of TransactionValues.OrderState.
-     * @param {string} label Label for the new item state.
-     * @param {string=} reason Reason for the price change. This will overwrite
-     *     any reason given in addLineitemPriceUpdate.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    addLineItemStateUpdate(itemId: string, state: OrderState, label: string, reason?: string): OrderUpdate;
-
-    /**
-     * Sets some extra information about the order. Takes an order update info
-     * type, and any accompanying data. This should only be called once per
-     * order update.
-     *
-     * @param {string} type One of TransactionValues.OrderStateInfo.
-     * @param {Object} data Proper Object matching the data necessary for the info
-     *     type. For instance, for the TransactionValues.OrderStateInfo.RECEIPT info
-     *     type, use the {@link ReceiptInfo} data type.
-     * @return {OrderUpdate} Returns current constructed OrderUpdate.
-     */
-    setInfo(type: string, data: object): OrderUpdate;
-}