import { Type } from '@angular/core';
import * as i0 from "@angular/core";
export declare class JsonSchemaFormService {
    constructor();
    /**
     * registry of custom widgets. The keys are the values used in schema.widgetType, the values
     * are the Type<any> of the custom widget component implementing WidgetComponent
     */
    registry: any;
    /**
     * register custom component
     * @param key     the name of the component which is used in schema extension: widget=custom, widgetType=key
     * @param value   the implementation class
     */
    registerComponent(key: string, value: Type<any>): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<JsonSchemaFormService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<JsonSchemaFormService>;
}