import type { ECharts } from 'echarts/core';
import type { ChartData } from 'q2-tecton-common/lib/types/elements';
/** Localized feedback shared by chart keyboard controls. */
export declare function chartPointDescription(name: string, value: string, index: number, count: number): string;
/** Coordinates keyboard exploration with ECharts emphasis without changing chart data. */
export declare function createChartKeyboardNavigation(options: {
    getChart: () => ECharts;
    getData: () => ChartData[];
    onChange: (index: number | null) => void;
    getOrder?: () => number[];
}): {
    onFocus: () => void;
    onBlur: () => void;
    onKeyDown: (event: KeyboardEvent) => void;
    refresh: () => void;
};