import { OnDestroy, OnInit } from '@angular/core';
import { Expense } from '../expense.model';
import { ExpenseLineItem } from '../expense-line-item.model';
import { ExpenseLineItemService } from '../expense-line-item.service';
import { AbstractControl, FormArray, FormBuilder, FormGroup } from '@angular/forms';
import { BehaviorSubject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class ExpenseLineItemListingComponent implements OnInit, OnDestroy {
    private expenseLineItemService;
    private fb;
    expense: Expense | undefined;
    rows: FormArray;
    form: FormGroup;
    dataSource: BehaviorSubject<AbstractControl<any, any>[]>;
    expenseLineItems: ExpenseLineItem[];
    private unsubscribe;
    displayedColumns: string[];
    constructor(expenseLineItemService: ExpenseLineItemService, fb: FormBuilder);
    ngOnInit(): void;
    ngOnDestroy(): void;
    loadData(): void;
    addItem(item?: ExpenseLineItem, noUpdate?: boolean): void;
    removeItem(index: number): void;
    updateView(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ExpenseLineItemListingComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ExpenseLineItemListingComponent, "app-expense-line-item-listing", never, { "expense": { "alias": "expense"; "required": false; }; }, {}, never, never, false, never>;
}