import { Event, EventStream, EventStreamSeed, Observable, Property, PropertySeed, Scope } from ".";
export declare function wait(delay: number): Promise<void>;
export declare const sc: {
    setTimeout: (fn: Function, delay: number) => number;
    setInterval: (fn: Function, recur: number) => number;
    clearTimeout: (id: number) => number;
    clearInterval: (id: number) => number;
    now: () => number;
};
export declare function hasObservers(o: Observable<any>): any;
export declare function testScope(): Scope;
export declare function series<V>(interval: number, values: (V | Event<V>)[]): EventStream<V>;
export declare const expectStreamEvents: (src: () => EventStream<any> | EventStreamSeed<any>, expectedEvents: any[]) => void;
export declare const expectStreamTimings: <V>(src: () => EventStream<any> | EventStreamSeed<any>, expectedEventsAndTimings: [number, V][]) => void;
export declare const expectPropertyEvents: (srcF: () => Property<any> | PropertySeed<any>, expectedEvents: any[], param?: any) => void;
export declare function atGivenTimes<V>(timesAndValues: [number, V][]): EventStreamSeed<V>;