interface HandlerKeyMap {
    p: string;
    c: string;
    e: string;
}
interface BridgeOptions {
    protocol?: string;
    prefix?: string;
}
interface CustomEventData {
    handler: string | number;
    data: any;
}
interface CustomEvent {
    data: CustomEventData;
}
export declare const decode: (data: string) => CustomEventData;
export declare const getHandlerKey: (handler: string | number) => HandlerKeyMap;
export declare const isFn: (param: any) => boolean;
export declare const send: (scheme: string) => void;
declare class Bridge {
    private protocol;
    private prefix;
    private _events;
    private _paramsStore;
    private _callbackStore;
    constructor(options?: BridgeOptions);
    getScheme(name: string): string;
    getParam(handler: string): any;
    nativeCall(scheme: string, params?: any, callback?: (d: any) => void): void;
    postMessage(e: string): Bridge;
    addEvent(name: string, callback: (e: CustomEvent) => void): void;
    removeEvent(handler: string | number): void;
    fireEvent(evName: string, data: any): this;
}
export default Bridge;