export declare class EventSource {
    static symbol: symbol;
    instance: any;
    listeners: Map<any, any>;
    getParentInstance: () => any;
    static setup(instance: any, extra?: any): void;
    constructor(instance: any, { getParentInstance }?: {
        getParentInstance?: () => any;
    });
    getEventSource(): this;
    getParentEventSource(): any;
    hasDeclaredEvent(name: any): boolean;
    declareEvent(name: any): void;
    addEventListener(name: any, callback: any, { capture, once }?: {
        capture?: boolean;
        once?: boolean;
    }): () => void;
    removeEventListener(name: any, callback: any, { capture, once }?: {
        capture?: boolean;
        once?: boolean;
    }): void;
    dispatchEvent(event: any, { parentSource }?: {
        parentSource?: any;
    }): void;
    on: () => (name: any, callback: any, { capture, once }?: {
        capture?: boolean;
        once?: boolean;
    }) => () => void;
    off: () => (name: any, callback: any, { capture, once }?: {
        capture?: boolean;
        once?: boolean;
    }) => void;
    addListener: () => (name: any, callback: any, { capture, once }?: {
        capture?: boolean;
        once?: boolean;
    }) => () => void;
    removeListener: () => (name: any, callback: any, { capture, once }?: {
        capture?: boolean;
        once?: boolean;
    }) => void;
}