export type ListenerSignature<L> = {
    [E in keyof L]: (...args: any[]) => any;
};

export type DefaultListener = {
    [k: string]: (...args: any[]) => any;
};

export class TypedEmitter<L extends ListenerSignature<L> = DefaultListener> {
    static defaultMaxListeners: number;
    addListener<U extends keyof L>(event: U, listener: L[U]): this;
    prependListener<U extends keyof L>(event: U, listener: L[U]): this;
    prependOnceListener<U extends keyof L>(event: U, listener: L[U]): this;
    removeListener<U extends keyof L>(event: U, listener: L[U]): this;
    removeAllListeners(event?: keyof L): this;
    once<U extends keyof L>(event: U, listener: L[U]): this;
    on<U extends keyof L>(event: U, listener: L[U]): this;
    off<U extends keyof L>(event: U, listener: L[U]): this;
    emit<U extends keyof L>(event: U, ...args: Parameters<L[U]>): boolean;
    eventNames<U extends keyof L>(): U[];
    listenerCount(type: keyof L): number;
    listeners<U extends keyof L>(type: U): L[U][];
    rawListeners<U extends keyof L>(type: U): L[U][];
    getMaxListeners(): number;
    setMaxListeners(n: number): this;
}