export declare type $EventOptions = {
    taskname?: string;
    once?: boolean;
};
export declare type $MutArgEventHandler<A> = (...data: $MutArg<A>) => unknown;
export declare type $UnknownMutArg = unknown[];
export declare type $MutArg<A> = A extends $UnknownMutArg ? A : never;
/**
 * 获取事件模型的事件类型定义
 * 基于`BaseEventEmitter`的一个纯类型定义属性来导出类型的定义
 */
export declare type $EmitterEvents<EE> = EE extends {
    TYPE: infer U;
} ? U : never;