import { Component } from 'react';
export declare enum DOMMicrophoneErrorTypes {
    streamError = 2,
    mediaDevicesAccessFail = 3,
    noVideoInputs = 4,
    enumerateDevicesFail = 5
}
export declare enum DOMMicrophoneStateEnum {
    isLoading = 2,
    isError = 3,
    isListening = 4
}
export interface DOMMicrophoneState {
    curStep: DOMMicrophoneStateEnum;
    audioInputDeviceList: MediaDeviceInfo[];
    curId: string;
}
export interface DOMMicrophoneTriggers {
    onAudioSrcReady?: (audioURL: string) => void;
    onAudioRecordingStarted?: () => void;
    onAudioRecordingStopped?: () => void;
    onAudioRecordingPaused?: () => void;
}
export interface DOMMicrophoneCallbacks {
    onAudioVisualizationReady?: (video: HTMLVideoElement) => void;
    onAudioVisualizationRemoved?: () => void;
    onError?: (errorType: DOMMicrophoneErrorTypes) => void;
}
export interface DOMMicrophoneProps extends DOMMicrophoneTriggers, DOMMicrophoneCallbacks {
    showControls: boolean;
}
export declare class DOMMicrophone<TProps = DOMMicrophoneProps> extends Component<TProps & DOMMicrophoneProps, DOMMicrophoneState> {
    ctx: CanvasRenderingContext2D;
    audioVisualization: HTMLCanvasElement;
    private stream;
    constructor(props: any);
    getStream(): MediaStream;
    startStream(strDeviceId: string): void;
    componentWillUnmount(): void;
    setStateToError(errorType: DOMMicrophoneErrorTypes): void;
    componentDidMount(): void;
    startAudioRecording(): void;
    stopAudioRecording(): void;
    pauseAudioRecording(): void;
    renderError(): JSX.Element;
    renderLoading(): JSX.Element;
    renderVisualization(): JSX.Element;
    renderControls(): JSX.Element;
    render(): JSX.Element;
}