import type { PieItemTooltipContext, PieItemTooltipParams } from './pie-item-tooltip.types';
/**
 * Build pie item tooltip params from an ECharts `showTip` payload and chart instance.
 * Ignores axis-style payloads (`dataByCoordSys`).
 */
export declare function pieItemParamsFromShowTip(chart: any, evt: any, ctx: PieItemTooltipContext, themeSeries: Array<{
    color: string;
}>): PieItemTooltipParams | null;
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