import { AbstractControlDirective, NgControl } from '@angular/forms';
import { MatFormField } from '@angular/material/form-field';
import { RxapFormControl } from '@rxap/forms';
export declare class ExtractControlMixin {
    protected ngControl: NgControl | AbstractControlDirective | null;
    protected matFormField?: MatFormField | null;
    protected control?: RxapFormControl;
    protected extractControl(ngControl?: NgControl | AbstractControlDirective | null): RxapFormControl;
}