/**
 * This hook allows access to information about the user's devices and their state.
 */
export declare const useDevices: () => {
    /**
     * Most recent error object emitted via [camera-error event](https://docs.daily.co/reference/daily-js/events/meeting-events#camera-error).
     */
    cameraError: import("@daily-co/daily-js").DailyCamPermissionsError | import("@daily-co/daily-js").DailyCamDeviceNotFoundError | import("@daily-co/daily-js").DailyCamConstraintsError | import("@daily-co/daily-js").DailyCamInUseError | import("@daily-co/daily-js").DailyCamTypeError | import("@daily-co/daily-js").DailyCamUnknownError | null;
    /**
     * A list of the user's camera (videoinput) devices. See [MediaDeviceInfo](https://developer.mozilla.org/en-US/docs/Web/API/MediaDeviceInfo) for more info.
     */
    cameras: import("../DailyDevices").StatefulDevice[];
    /**
     * The general state for camera access.
     */
    camState: "idle" | "pending" | "not-supported" | "granted" | "blocked" | "in-use" | "not-found" | "constraints-invalid" | "constraints-none-specified" | "undefined-mediadevices" | "unknown";
    /**
     * Holds the currently selected camera.
     */
    currentCam: import("../DailyDevices").StatefulDevice | undefined;
    /**
     * Holds the currently selected microphone.
     */
    currentMic: import("../DailyDevices").StatefulDevice | undefined;
    /**
     * Holds the currently selected speaker.
     */
    currentSpeaker: import("../DailyDevices").StatefulDevice | undefined;
    /**
     * Indicates that there's an issue with camera devices.
     */
    hasCamError: boolean;
    /**
     * Indicates that there's an issue with microphone devices.
     */
    hasMicError: boolean;
    /**
     * A list of the user's microphone (audioinput) devices. See [MediaDeviceInfo](https://developer.mozilla.org/en-US/docs/Web/API/MediaDeviceInfo) for more info.
     */
    microphones: import("../DailyDevices").StatefulDevice[];
    /**
     * The general state for microphone access.
     */
    micState: "idle" | "pending" | "not-supported" | "granted" | "blocked" | "in-use" | "not-found" | "constraints-invalid" | "constraints-none-specified" | "undefined-mediadevices" | "unknown";
    /**
     * Refreshes the list of devices using [enumerateDevices](https://docs.daily.co/reference/daily-js/instance-methods/enumerate-devices).
     */
    refreshDevices: () => Promise<void>;
    /**
     * Allows to switch to the camera with the specified deviceId. Calls [setInputDevicesAsync](https://docs.daily.co/reference/daily-js/instance-methods/set-input-devices-async) internally.
     */
    setCamera: (deviceId: string) => Promise<void>;
    /**
     * Allows to switch to the microphone with the specified deviceId. Calls [setInputDevicesAsync](https://docs.daily.co/reference/daily-js/instance-methods/set-input-devices-async) internally.
     */
    setMicrophone: (deviceId: string) => Promise<void>;
    /**
     * Allows to switch to the speaker with the specified deviceId. Calls [setOutputDevice](https://docs.daily.co/reference/daily-js/instance-methods/set-output-device) internally.
     */
    setSpeaker: (deviceId: string) => Promise<void>;
    /**
     * A list of the user's speaker (audiooutput) devices. See [MediaDeviceInfo](https://developer.mozilla.org/en-US/docs/Web/API/MediaDeviceInfo) for more info.
     */
    speakers: import("../DailyDevices").StatefulDevice[];
};