import { IExtensionEvent, IExtensionEvents } from './IExtension';
export declare class ExtensionDecoratorObject {
    static events: IExtensionEvents;
    static init(events: IExtensionEvents): void;
}
export declare const ExtensionDecorator: <I extends unknown[], O>(fn: (ee: IExtensionEvents) => IExtensionEvent<I, O>) => (target: unknown, propertyName: string, descriptor: TypedPropertyDescriptor<(...args: I) => Promise<O>>) => TypedPropertyDescriptor<(...args: I) => Promise<O>>;