import { AfterContentInit } from '@angular/core'; import { NgControl } from '@angular/forms'; import { MatFormField, MatCheckbox } from '@angular/material'; import { BillComponent } from './bill.component'; export declare class BillFieldDirective implements AfterContentInit { private control; private bill; private matField; private matCheckBox; constructor(control: NgControl, bill: BillComponent, matField: MatFormField, matCheckBox: MatCheckbox); ngAfterContentInit(): void; }