/**
 * @hidden
 *
 * @internal
 * Limited to Microsoft-internal use
 * @module
 */
/**
 * @hidden
 *
 * Data structure to represent a meeting room.
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export interface MeetingRoomInfo {
    /**
     * @hidden
     * Endpoint id of the meeting room.
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    endpointId: string;
    /**
     * @hidden
     * Device name of the meeting room.
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    deviceName: string;
    /**
     * @hidden
     * Client type of the meeting room.
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    clientType: string;
    /**
     * @hidden
     * Client version of the meeting room.
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    clientVersion: string;
}
/**
 * @hidden
 * Type of Media control capabilities of a meeting room.
 */
type MediaControls = 'toggleMute' | 'toggleCamera' | 'toggleCaptions' | 'volume';
/**
 * @hidden
 * Types of Stage Layout control capabilities of a meeting room.
 */
type StageLayoutControls = 'showVideoGallery' | 'showContent' | 'showVideoGalleryAndContent' | 'showLargeGallery' | 'showTogether';
/**
 * @hidden
 * Types of Meeting Control capabilities of a meeting room.
 */
type MeetingControls = 'leaveMeeting';
/**
 * @hidden
 * Types of Stage Layout State of a meeting room.
 */
type StageLayoutStates = 'Gallery' | 'Content + gallery' | 'Content' | 'Large gallery' | 'Together mode';
/**
 * @hidden
 * Data structure to represent capabilities of a meeting room.
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export interface MeetingRoomCapability {
    /**
     * @hidden
     * Media control capabilities, value can be "toggleMute", "toggleCamera", "toggleCaptions", "volume".
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    mediaControls: MediaControls[];
    /**
     * @hidden
     * Main stage layout control capabilities, value can be "showVideoGallery", "showContent", "showVideoGalleryAndContent", "showLargeGallery", "showTogether".
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    stageLayoutControls: StageLayoutControls[];
    /**
     * @hidden
     * Meeting control capabilities, value can be "leaveMeeting".
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    meetingControls: MeetingControls[];
}
/**
 * @hidden
 * Data structure to represent states of a meeting room.
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export interface MeetingRoomState {
    /**
     * @hidden
     * Current mute state, true: mute, false: unmute.
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    toggleMute: boolean;
    /**
     * @hidden
     * Current camera state, true: camera on, false: camera off.
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    toggleCamera: boolean;
    /**
     * @hidden
     * Current captions state, true: captions on, false: captions off.
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    toggleCaptions: boolean;
    /**
     * @hidden
     * Current main stage layout state, value can be one of "Gallery", "Content + gallery", "Content", "Large gallery" and "Together mode".
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    stageLayout: StageLayoutStates;
    /**
     * @hidden
     * Current leaveMeeting state, true: leave, false: no-op.
     *
     * @internal
     * Limited to Microsoft-internal use
     */
    leaveMeeting: boolean;
}
/**
 * @hidden
 * Fetch the meeting room info that paired with current client.
 *
 * @returns Promise resolved with meeting room info or rejected with SdkError value
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function getPairedMeetingRoomInfo(): Promise<MeetingRoomInfo>;
/**
 * @hidden
 * Send a command to paired meeting room.
 *
 * @param commandName The command name.
 * @returns Promise resolved upon completion or rejected with SdkError value
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function sendCommandToPairedMeetingRoom(commandName: string): Promise<void>;
/**
 * @hidden
 * Registers a handler for meeting room capabilities update.
 * Only one handler can be registered at a time. A subsequent registration replaces an existing registration.
 *
 * @param handler The handler to invoke when the capabilities of meeting room update.
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function registerMeetingRoomCapabilitiesUpdateHandler(handler: (capabilities: MeetingRoomCapability) => void): void;
/**
 * @hidden
 * Hide from docs
 * Registers a handler for meeting room states update.
 * Only one handler can be registered at a time. A subsequent registration replaces an existing registration.
 *
 * @param handler The handler to invoke when the states of meeting room update.
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function registerMeetingRoomStatesUpdateHandler(handler: (states: MeetingRoomState) => void): void;
/**
 * @hidden
 *
 * Checks if the meetingRoom capability is supported by the host
 * @returns boolean to represent whether the meetingRoom capability is supported
 *
 * @throws Error if {@linkcode app.initialize} has not successfully completed
 *
 * @internal
 * Limited to Microsoft-internal use
 */
export declare function isSupported(): boolean;
export {};