export interface DevicesState {
    audioInputDevices: MediaDeviceInfo[];
    audioOutputDevices: MediaDeviceInfo[];
    videoInputDevices: MediaDeviceInfo[];
    selectedAudioInput: MediaDeviceInfo | null;
    selectedAudioOutput: MediaDeviceInfo | null;
    selectedVideoInput: MediaDeviceInfo | null;
    audioMuted: boolean;
    videoMuted: boolean;
    /** deaf = can't hear = "speaker muted" from the server's perspective */
    speakerMuted: boolean;
    selectAudioInput: (device: MediaDeviceInfo | null) => void;
    selectAudioOutput: (device: MediaDeviceInfo | null) => void;
    selectVideoInput: (device: MediaDeviceInfo | null) => void;
    toggleAudioMute: () => Promise<void>;
    toggleVideoMute: () => Promise<void>;
    toggleSpeakerMute: () => Promise<void>;
    echoCancellation: boolean;
    autoGain: boolean;
    noiseSuppression: boolean;
    toggleEchoCancellation: () => Promise<void>;
    toggleAutoGain: () => Promise<void>;
    toggleNoiseSuppression: () => Promise<void>;
}
export declare const devicesContext: {
    __context__: DevicesState;
};
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