import { AnimOptions } from './util';
export interface HeartBeatInOptions extends AnimOptions {
    percent14?: number;
    percent28?: number;
    percent42?: number;
}
export declare function heartBeatIn(options?: HeartBeatInOptions): import("@angular/animations").AnimationReferenceMetadata;
export declare function heartBeat(options?: HeartBeatInOptions, name?: string): import("@angular/animations").AnimationTriggerMetadata;