import type { OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class WebAudioOutput extends GainNode implements OnDestroy {
    constructor();
    protected static init(that: WebAudioOutput, node: AudioNode | null): void;
    set waOutput(destination: AudioNode | AudioParam | undefined);
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<WebAudioOutput, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<WebAudioOutput, "[waOutput]", never, { "waOutput": { "alias": "waOutput"; "required": false; }; }, {}, never, never, true, never>;
}