text: /**
   * @class mw.Api.plugin.watch
   * @since 1.19
   */
  ( function ( mw, $ ) {
  
  	/**
  	 * @private
  	 * @static
  	 * @context mw.Api
  	 *
  	 * @param {string|mw.Title|string[]|mw.Title[]} pages Full page name or instance of mw.Title, or an
  	 *  array thereof. If an array is passed, the return value passed to the promise will also be an
  	 *  array of appropriate objects.
  	 * @param {Object} [addParams]
  	 * @return {jQuery.Promise}
  	 * @return {Function} return.done
  	 * @return {Object|Object[]} return.done.watch Object or list of objects (depends on the `pages`
  	 *  parameter)
  	 * @return {string} return.done.watch.title Full pagename
  	 * @return {boolean} return.done.watch.watched Whether the page is now watched or unwatched
  	 */
  	function doWatchInternal( pages, addParams ) {
  		// XXX: Parameter addParams is undocumented because we inherit this
  		// documentation in the public method...
  		var apiPromise = this.postWithToken( 'watch',
  			$.extend(
  				{
  					formatversion: 2,
  					action: 'watch',
  					titles: Array.isArray( pages ) ? pages.join( '|' ) : String( pages )
  				},
  				addParams
  			)
  		);
  
  		return apiPromise
  			.then( function ( data ) {
  				// If a single page was given (not an array) respond with a single item as well.
  				return Array.isArray( pages ) ? data.watch : data.watch[ 0 ];
  			} )
  			.promise( { abort: apiPromise.abort } );
  	}
  
  	$.extend( mw.Api.prototype, {
  		/**
  		 * Convenience method for `action=watch`.
  		 *
  		 * @inheritdoc #doWatchInternal
  		 */
  		watch: function ( pages ) {
  			return doWatchInternal.call( this, pages );
  		},
  
  		/**
  		 * Convenience method for `action=watch&unwatch=1`.
  		 *
  		 * @inheritdoc #doWatchInternal
  		 */
  		unwatch: function ( pages ) {
  			return doWatchInternal.call( this, pages, { unwatch: 1 } );
  		}
  	} );
  
  	/**
  	 * @class mw.Api
  	 * @mixins mw.Api.plugin.watch
  	 */
  
  }( mediaWiki, jQuery ) );
  