import { AgoraObservable } from '../../../../imports';
import { SourceStateControl, SourceStateControlImpl, SourceStateControlObserver } from './source-state-control';
export interface MicrophoneStateControlObserver extends SourceStateControlObserver {
    onMicrophoneVolumeIndicationUpdated(sourceId: string, volume: number): void;
}
export interface MicrophoneStateControl extends SourceStateControl {
    get keepRecording(): boolean;
    setKeepAudioRecording(keepRecording: boolean): void;
    microphoneVolumeIndicationUpdated(volume: number): void;
}
export declare class MicrophoneStateControlImpl extends SourceStateControlImpl implements MicrophoneStateControl {
    protected readonly observable: AgoraObservable<MicrophoneStateControlObserver>;
    protected _keepRecording: boolean;
    get keepRecording(): boolean;
    release(): number;
    getSourceCaptureEnabled(sourceId: string): boolean;
    setKeepAudioRecording(keepRecording: boolean): void;
    microphoneVolumeIndicationUpdated(volume: number): void;
}