import { Observable } from 'rxjs';
import { FlBaseControl, FlBaseControlHost } from 'flex-controls/interfaces';
import { AbstractConstructor, Constructor } from 'flex-controls/types';
import { FlControl } from './control';
import * as i0 from "@angular/core";
/** Uses to implement base host which accepts the model as is */
export declare abstract class FlControlHost<T> extends FlControl<T> implements FlBaseControlHost<T, T> {
    protected host?: FlBaseControlHost<T, T> | undefined;
    private controls;
    private updatesFrom;
    private controlChange$;
    constructor(host?: FlBaseControlHost<T, T> | undefined);
    registerControl(control: FlControl<T>): void;
    unregisterControl(control: FlControl<T>): void;
    get controlChange(): Observable<T | null>;
    typedControlChange(type: Constructor<FlBaseControl<T>> | AbstractConstructor<FlBaseControl<T>>): Observable<T | null>;
    updateModel(obj: T | null): void;
    protected incomingUpdate(value: T | null): void;
    private updateControls;
    static ɵfac: i0.ɵɵFactoryDeclaration<FlControlHost<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FlControlHost<any>, never, never, {}, {}, never, never, false, never>;
}