import { Event } from "./event";
import { EventDescriptor } from "./descriptor";
export interface SyncEventCallback<TargetEvent = unknown> {
    (event: TargetEvent): void;
}
export interface EventCallback<TargetEvent extends Event = Event> {
    <E extends TargetEvent>(event: E): Promise<unknown | void> | unknown | void;
}
export declare function matchEventCallback(type: string | symbol, callback?: EventCallback | Function, options?: unknown): (descriptor: EventDescriptor) => boolean;