/**
 * Returns the current global scope object, for a normal web page this will be the current
 * window, for a Web Worker this will be current worker global scope via "self". The internal
 * implementation returns the first available instance object in the following order
 * - globalThis (New standard)
 * - self (Will return the current window instance for supported browsers)
 * - window (fallback for older browser implementations)
 * - global (NodeJS standard)
 * - <null> (When all else fails)
 * While the return type is a Window for the normal case, not all environments will support all
 * of the properties or functions.
 */
export declare function getGlobal(useCached?: boolean): Window;
export declare function throwTypeError(message: string): never;
/**
 * Creates an object that has the specified prototype, and that optionally contains specified properties. This helper exists to avoid adding a polyfil
 * for older browsers that do not define Object.create eg. ES3 only, IE8 just in case any page checks for presence/absence of the prototype implementation.
 * Note: For consistency this will not use the Object.create implementation if it exists as this would cause a testing requirement to test with and without the implementations
 * @param obj Object to use as a prototype. May be null
 */
export declare function objCreateFn(obj: any): any;