import { OnInit } from '@angular/core';
import { AlertService, RequestHelperService } from "ngx-techlify-core";
import { FormBuilder, FormGroup } from "@angular/forms";
import { ExpenseSummaryService } from "../expense-summary.service";
import * as i0 from "@angular/core";
export declare class ExpenseLineChartComponent implements OnInit {
    private formBuilder;
    private expenseSummaryService;
    private requestHelperService;
    private alertService;
    height: number;
    filterForm: FormGroup;
    chart: any;
    isLoading: boolean;
    constructor(formBuilder: FormBuilder, expenseSummaryService: ExpenseSummaryService, requestHelperService: RequestHelperService, alertService: AlertService);
    ngOnInit(): void;
    private loadData;
    static ɵfac: i0.ɵɵFactoryDeclaration<ExpenseLineChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ExpenseLineChartComponent, "app-expense-line-chart", never, { "height": { "alias": "height"; "required": false; }; }, {}, never, never, true, never>;
}