import { ReturnValueContainer, CalledWithObject, AddObservableSpyMethods } from '..';
export declare function addObservableHelpersToFunctionSpy(spyFunction: any, valueContainer: ReturnValueContainer): void;
export declare function addObservableHelpersToCalledWithObject(calledWithObject: CalledWithObject, calledWithArgs: any[]): CalledWithObject;
export declare function createObservablePropSpy<T>(): T & AddObservableSpyMethods<T>;