(function(define) { 'use strict';
define('ThirdParty/when',[],function () {
var reduceArray, slice, undef;

//
// Public API
//

when.defer     = defer;     // Create a deferred
/* more when.otherProperties set here */

/**
 * Register an observer for a promise or immediate value.
 *
 * @param {*} promiseOrValue
 * @param {function?} [onFulfilled]
 * @param {function?} [onRejected]
 * @param {function?} [onProgress]
 * @returns {Promise}
 */
function when(promiseOrValue, onFulfilled, onRejected, onProgress) {
    // Get a trusted promise for the input promiseOrValue, and then
    // register promise handlers
    return resolve(promiseOrValue).then(onFulfilled, onRejected, onProgress);
}

/**
 * @param {*} promiseOrValue the rejected value of the returned {@link Promise}
 * @returns {Promise} rejected {@link Promise}
 */
function reject(promiseOrValue) {
    return when(promiseOrValue, rejected);
}
/* more functions defined here, including a 'defer' function */

static getData(/* vars */) {
    /* stuff */
    return Cesium.when.reject('message here');
}

declare module Cesium {
    /* a lot of other functions, classes, interfaces, enums... */
    class when extends Promise<any> {
        constructor(promiseOrValue: any, onFulfilled?: Function, onRejected?: Function, onProgress?: Function);
        reject(promiseOrValue: any): Promise<any>;
    }
}