import type { OnDestroy } from '@angular/core';
import { EventEmitter } from '@angular/core';
import type { AudioParamInput } from '../types/audio-param-input';
import * as i0 from "@angular/core";
export declare class WebAudioConstantSource extends ConstantSourceNode implements OnDestroy {
    offsetParam?: AudioParamInput;
    ended: EventEmitter<void>;
    constructor(autoplay: string | null, offset: string | null);
    readonly onended: () => void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<WebAudioConstantSource, [{ attribute: "autoplay"; }, { attribute: "offset"; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<WebAudioConstantSource, "[waConstantSourceNode]", ["AudioNode"], { "channelCount": { "alias": "channelCount"; "required": false; }; "channelCountMode": { "alias": "channelCountMode"; "required": false; }; "channelInterpretation": { "alias": "channelInterpretation"; "required": false; }; "offsetParam": { "alias": "offset"; "required": false; }; }, { "ended": "ended"; }, never, never, true, never>;
}