import { PipeTransform } from '@angular/core';
import { SingCollapsibleGroupChildren } from '../models/collapsible-data';
import * as i0 from "@angular/core";
/**
 * get the number of selected children
 */
export declare class NumOfSelectedChildrenPipe implements PipeTransform {
    transform(collapsibleGroupChildren: SingCollapsibleGroupChildren[]): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<NumOfSelectedChildrenPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<NumOfSelectedChildrenPipe, "numOfSelectedChildren", false>;
}
//# sourceMappingURL=num-of-selected-children.pipe.d.ts.map