Interface ChangeDispatcher

interface ChangeDispatcher {
    addEventListener(type: string, listener: Function): this;
    clear(type: string): this;
    clearEventListener(type: string): this;
    dispatchEvent(e: { type: string }): this;
    dispatchEventByType(type: string, param: object): this;
    fire(e: { type: string }): this;
    flare(type: string, param?: object): this;
    has(type: string): boolean;
    hasEventListener(type: string): boolean;
    observe(): void;
    off(type: string, listener: Function): this;
    on(type: string, listener: Function): this;
    one(type: string, listener: Function): this;
    register(obj: object): this;
    register(key: string, defaultValue: any): this;
    removeEventListener(type: string, listener: Function): this;
    unobserve(): void;
}