declare namespace Ext {
    export class Function   {
        public alias?(object?: object | CallableFunction, methodName?: string): CallableFunction;
        public bind?(fn?: CallableFunction, scope?: object, args?: [], appendArgs?: boolean | number): CallableFunction;
        public bindCallback?(callback?: object, scope?: object, args?: object, delay?: object, caller?: object): CallableFunction;
        public clone?(method?: CallableFunction): CallableFunction;
        public createBarrier?(count?: number, fn?: CallableFunction, scope?: object): void;
        public createBuffered?(fn?: CallableFunction, buffer?: number, scope?: object, args?: []): CallableFunction;
        public createDelayed?(fn?: CallableFunction, delay?: number, scope?: object, args?: [], appendArgs?: boolean | number): CallableFunction;
        public createInterceptor?(origFn?: CallableFunction, newFn?: CallableFunction, scope?: object, returnValue?: object): CallableFunction;
        public createSequence?(originalFn?: CallableFunction, newFn?: CallableFunction, scope?: object): CallableFunction;
        public createThrottled?(fn?: CallableFunction, interval?: number, scope?: object): CallableFunction;
        public defer?(fn?: CallableFunction, millis?: number, scope?: object, args?: [], appendArgs?: boolean | number): number;
        public flexSetter?(setter?: CallableFunction): CallableFunction;
        public interceptAfter?(object?: object, methodName?: string, fn?: CallableFunction, scope?: object): CallableFunction;
        public interceptBefore?(object?: object, methodName?: string, fn?: CallableFunction, scope?: object): CallableFunction;
        public interval?(fn?: CallableFunction, millis?: number, scope?: object, args?: [], appendArgs?: boolean | number): number;
        public memoize?(fn?: CallableFunction, scope?: object, hashFn?: CallableFunction): CallableFunction;
        public pass?(fn?: CallableFunction, args?: [], scope?: object): CallableFunction;
    }
}