import { AbstractControl, FormGroup } from '@angular/forms';
import { ValueItem } from '../../models/form/item/value-item';
import { BaseFormItemControl } from './base-form-item-control.component';
/**
 * Base control class for a FormItem with nested FormItems.
 * If a FormItem contains an 'optionItemMap', its component class should extend this class.
 */
export declare abstract class BaseParentItemControl<I extends ValueItem<any>, C extends AbstractControl> extends BaseFormItemControl<I> {
    control: C;
    parentIds: Array<string>;
    /** FormControl representing this item's value.
     * If this item has items in its 'optionItemMap', this control is nested inside a FormGroup wrapper */
    _control: C;
    /** FormGroup wrapping this item's FormControl, & FormControls for any nested form items */
    controlWrapper: FormGroup;
}