import type { AxisTooltipContext, AxisTooltipParams } from './axis-tooltip.types';
/** Build axis tooltip params from an ECharts `showTip` dispatch payload. */
export declare function axisTooltipParamsFromShowTipEvent(evt: any, ctx: AxisTooltipContext, seriesTheme: Array<{
    color: string;
}>): AxisTooltipParams | null;
/** Spread onto ECharts `tooltip` when using an RN overlay (`showTip` / `hideTip` still fire). */
export declare function axisTooltipShowContentFlag(useCustomTooltipOverlay: boolean): {
    showContent: boolean;
};
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