declare type Listener = (params: any) => void;
interface Subscribes {
    [type: string]: Listener[];
}
export declare class EventBus {
    subscribes: Subscribes;
    addEventListener: (type: string, listener: (params: any) => void) => void;
    removeEventListener: (type: string, listener: (params: any) => void) => void;
    removeAll: (type?: string | undefined) => void;
    dispatchEvent: (type: string, params: any) => void;
}
export declare function useEventBus(ns?: string): {
    addEventListener: (type: string, listener: (params: any) => void) => void;
    removeEventListener: (type: string, listener: (params: any) => void) => void;
    removeAll: (type?: string | undefined) => void;
    dispatchEvent: (type: string, params: any) => void;
};
export {};