import { IDetachable } from "./IDetachable.js";
import { IStringDictionary } from "./IDictionary.js";
import { IEventListener } from "./IEventListener.js";
import { IEventSource } from "./IEventSource.js";
import { PlatformEvent } from "./PlatformEvent.js";
export declare class EventSource<TEvent extends PlatformEvent> implements IEventSource<TEvent> {
    private privEventListeners;
    private privMetadata;
    private privIsDisposed;
    private privConsoleListener;
    constructor(metadata?: IStringDictionary<string>);
    onEvent(event: TEvent): void;
    attach(onEventCallback: (event: TEvent) => void): IDetachable;
    attachListener(listener: IEventListener<TEvent>): IDetachable;
    attachConsoleListener(listener: IEventListener<TEvent>): IDetachable;
    isDisposed(): boolean;
    dispose(): void;
    get metadata(): IStringDictionary<string>;
}