export declare class AndroidBridgeMessageHandler {
    private _nativePort;
    private _messageId;
    private _replyResolvers;
    private _queuedMessages;
    static IsSupported(): boolean;
    private static _instance;
    static SharedInstance(): AndroidBridgeMessageHandler;
    postMessage(message: string): Promise<any>;
    private _processMessage;
    private _processStringMessage;
    private _processArrayBufferMessage;
    private _initRequested;
    private _initPort;
}