import { ChangeDetectorRef, EventEmitter, OnChanges, ViewContainerRef } from '@angular/core';
import { WidgetFactory } from './core/widget.factory';
import { WidgetContext } from './core/widget.context';
export declare class JsonEditorFormElementChooserComponent implements OnChanges {
    private widgetFactory;
    private cdr;
    container: ViewContainerRef;
    context: WidgetContext<any>;
    first: boolean;
    widgetInstantiated: EventEmitter<any>;
    private widgetInstance;
    private ref;
    constructor(widgetFactory: WidgetFactory, cdr: ChangeDetectorRef);
    ngOnChanges(changes: any): void;
}