import { DuoyunChartBaseElement } from './base/chart';
export interface Sequence {
    label: string;
    values: (number | null)[];
}
/**
 * @customElement dy-bar-chart
 */
export declare class DuoyunBarChartElement extends DuoyunChartBaseElement {
    #private;
    series?: string[];
    gutter: number;
    stack: boolean;
    sequences?: Sequence[];
    xAxi: {
        formatter: (v: number | null) => string;
    };
    onMouseMove: (index: number, evt: MouseEvent, sort: boolean, seqIndex?: number) => void;
    onMouseOut: () => void;
    willMount: () => void;
    render: () => import("lit-html/lib/template-result").TemplateResult;
}
//# sourceMappingURL=bar-chart.d.ts.map