Correct return type of Node querystring.parse (#20651)

* Correct return type of Node querystring.parse

https://nodejs.org/api/querystring.html#querystring_querystring_parse_str_sep_eq_options

* request-promise-native: require TS 2.2 to fix error from Node typings

* Node querystring.parse: return type: query value as array of strings

* Fix tests for request, request-promise, request-promise-native

types/node/index.d.ts

@@ -797,7 +797,7 @@ declare module "querystring" {
     }
 
     export function stringify<T>(obj: T, sep?: string, eq?: string, options?: StringifyOptions): string;
-    export function parse(str: string, sep?: string, eq?: string, options?: ParseOptions): any;
+    export function parse(str: string, sep?: string, eq?: string, options?: ParseOptions): { [key: string]: string | string[] };
     export function parse<T extends {}>(str: string, sep?: string, eq?: string, options?: ParseOptions): T;
     export function escape(str: string): string;
     export function unescape(str: string): string;

types/request-promise-native/index.d.ts

@@ -2,6 +2,7 @@
 // Project: https://github.com/request/request-promise-native
 // Definitions by: Gustavo Henke <https://github.com/gustavohenke>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
 
 import request = require('request');
 import http = require('http');

types/request-promise-native/request-promise-native-tests.ts

@@ -282,7 +282,7 @@ rpn.post({ url, oauth }, (e, r, body) => {
     consumer_key: CONSUMER_KEY,
     consumer_secret: CONSUMER_SECRET,
     token: auth_data.oauth_token,
-    token_secret: req_data.oauth_token_secret,
+    token_secret: req_data.oauth_token_secret as string,
     verifier: auth_data.oauth_verifier,
   };
   url = 'https://api.twitter.com/oauth/access_token';

types/request-promise/request-promise-tests.ts

@@ -304,7 +304,7 @@ request.post({ url, oauth }, (e, r, body) => {
     consumer_key: CONSUMER_KEY,
     consumer_secret: CONSUMER_SECRET,
     token: auth_data.oauth_token,
-    token_secret: req_data.oauth_token_secret,
+    token_secret: req_data.oauth_token_secret as string,
     verifier: auth_data.oauth_verifier,
   };
   const url = 'https://api.twitter.com/oauth/access_token';

types/request/request-tests.ts

@@ -468,7 +468,7 @@ request.post({url:url, oauth:oauth}, function (e, r, body) {
       { consumer_key: CONSUMER_KEY
       , consumer_secret: CONSUMER_SECRET
       , token: auth_data.oauth_token
-      , token_secret: req_data.oauth_token_secret
+      , token_secret: req_data.oauth_token_secret as string
       , verifier: auth_data.oauth_verifier
       }
     , url = 'https://api.twitter.com/oauth/access_token'