import { OnInit } from '@angular/core';
import { ChartType } from 'angular-google-charts';
import { PrincipalDasboardLibService } from './../principal-dasboard-lib.service';
export declare class ChartheaderComponent implements OnInit {
    private pdService;
    constructor(pdService: PrincipalDasboardLibService);
    mytype: ChartType;
    datadisplaytype: string;
    isUserWise: boolean;
    myIcon: any;
    libVersion: any;
    ngOnInit(): void;
    changeChatType(): void;
    changeDataTypeClassRoom(): void;
    changeDataTypeUser(): void;
}