import type { OnDestroy } from '@angular/core';
import { EventEmitter } from '@angular/core';
import * as i0 from "@angular/core";
export declare class WebAudioScriptProcessor extends ScriptProcessorNode implements OnDestroy {
    audioprocess?: EventEmitter<AudioProcessingEvent>;
    constructor(bufferSize: string | null, numberOfInputChannels: string | null, numberOfOutputChannels: string | null);
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<WebAudioScriptProcessor, [{ attribute: "bufferSize"; }, { attribute: "numberOfInputChannels"; }, { attribute: "numberOfOutputChannels"; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<WebAudioScriptProcessor, "[waScriptProcessorNode]", ["AudioNode"], { "channelCount": { "alias": "channelCount"; "required": false; }; "channelCountMode": { "alias": "channelCountMode"; "required": false; }; "channelInterpretation": { "alias": "channelInterpretation"; "required": false; }; }, { "audioprocess": "audioprocess"; }, never, never, true, never>;
}