import { OnInit } from "@angular/core";
import { ChartType, ChartDataset } from "chart.js";
import * as i0 from "@angular/core";
export declare class BarChartComponent implements OnInit {
    data: any;
    questionNumber: any;
    chartRootElement: any;
    chartCanvas: any;
    barChartLabels: any[];
    barChartType: ChartType;
    barChartLegend: boolean;
    chartColors: Array<any>;
    barChartData: ChartDataset[];
    barData: any;
    barChartOptions: any;
    constructor();
    ngOnInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<BarChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<BarChartComponent, "sl-bar-chart", never, { "data": { "alias": "data"; "required": false; }; "questionNumber": { "alias": "questionNumber"; "required": false; }; }, {}, never, never, false, never>;
}