import { Stream } from 'most';
import { Frame } from './src/animation-frames';
declare type Operator = <T>(stream: Stream<T>) => Stream<T>;
interface TimeSource {
    animationFrames(): Stream<Frame>;
    delay(delayTime: number): Operator;
    debounce(period: number): Operator;
    throttle(period: number): Operator;
    periodic(period: number): Stream<number>;
    throttleAnimation: Operator;
}
interface MockTimeSource extends TimeSource {
    diagram(str: string, values?: Object): Stream<any>;
    record(stream: Stream<any>): Stream<Array<any>>;
    assertEqual(actual: Stream<any>, expected: Stream<any>): void;
    run(cb?: (err?: Error) => void): void;
}
declare function mockTimeSource(args?: Object): MockTimeSource;
declare function timeDriver(sink: any): TimeSource;
export { Operator, TimeSource, timeDriver, MockTimeSource, mockTimeSource };