declare module jQuery {
	export interface IPromise {
		always(callback: Function, ...callbacks: Function[]): IPromise;
		always(callback: Function[], ...callbacks: Function[][]): IPromise;
		
		done(callback: Function, ...callbacks: Function[]): IPromise;
		done(callback: Function[], ...callbacks: Function[][]): IPromise;
		
		fail(callback: Function, ...callbacks: Function[]): IPromise;
		fail(callback: Function[], ...callbacks: Function[][]): IPromise;
		
		state(): string;
		
		then(doneFilter: Function, failFilter?: Function, progressFilter?: Function): IPromise;
	}
}