diff --git a/angular-dialog-service/angular-dialog-service.d.ts b/angular-dialog-service/angular-dialog-service.d.ts
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+++ b/angular-dialog-service/angular-dialog-service.d.ts
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+// Type definitions for Angular Dialog Service 5.2.8
+// Project: https://github.com/m-e-conroy/angular-dialog-service
+// Definitions by: William Comartin <https://github.com/wcomartin>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../angularjs/angular.d.ts"/>
+/// <reference path="../angular-ui-bootstrap/angular-ui-bootstrap.d.ts"/>
+
+declare module angular.dialogservice {
+
+  interface IDialogOptions {
+    /**
+     * Set to false to disable animations on new modal/backdrop. Does not toggle animations for modals/backdrops that are already displayed.
+     *
+     * @default false
+     */
+    animation?: boolean;
+
+    /**
+     * controls the presence of a backdrop
+     * Allowed values:
+     *   - true (default)
+     *   - false (no backdrop)
+     *   - 'static' backdrop is present but modal window is not closed when clicking outside of the modal window
+     *
+     * @default true
+     */
+    backdrop?: boolean | string;
+
+    /**
+     * indicates whether the dialog should be closable by hitting the ESC key
+     *
+     * @default true
+     */
+    keyboard?: boolean;
+
+    /**
+     * additional CSS class(es) to be added to a modal backdrop template
+     *
+     * @default 'dialogs-backdrop-default'
+     */
+    backdropClass?: string;
+
+    /**
+     * additional CSS class(es) to be added to a modal window template
+     *
+     * @default 'dialogs-default'
+     */
+    windowClass?: string;
+
+    /**
+     * Optional suffix of modal window class. The value used is appended to the `modal-` class, i.e. a value of `sm` gives `modal-sm`.
+     *
+     * @default 'lg'
+     */
+    size?: string;
+  }
+
+  interface IDialogService {
+    /**
+     * Opens a new error modal instance.
+     */
+    error(header: string, msg: string, progress: number, opts: IDialogOptions): ng.ui.bootstrap.IModalServiceInstance
+    /**
+     * Opens a new wait modal instance.
+     */
+    wait(header: string, msg: string, opts: IDialogOptions): ng.ui.bootstrap.IModalServiceInstance
+    /**
+     * Opens a new notify modal instance.
+     */
+    notify(header: string, msg: string, opts: IDialogOptions): ng.ui.bootstrap.IModalServiceInstance
+    /**
+     * Opens a new confirm modal instance.
+     */
+    confirm(header: string, msg: string, opts: IDialogOptions): ng.ui.bootstrap.IModalServiceInstance
+    /**
+     * Opens a new custom modal instance.
+     */
+    create(url: string, ctrlr: string, data: any, opts: IDialogOptions): ng.ui.bootstrap.IModalServiceInstance
+  }
+
+}