import { ContextExtension } from "../../data/ContextExtension";
import { Context } from "../../Context";
/**
 * Event dispatcher extension which adds EventDispatcher singleton to Context scope.
 */
export declare class EventDispatcherExtension implements ContextExtension {
    private context;
    extend(context: Context): void;
    /**
     * Context is about to initialize - seal EventDispatcher so all parties of application receive same instance
     */
    private sealEventDispatcher;
    /**
     * Remove all listeners from EventDispatcher as Context is destroyed
     */
    private clearEventDispatcher;
}