import type { ChartState, UseChartCartesianAxisSignature } from '@mui/x-charts/internals';
import type { SeriesItemIdentifier } from '@mui/x-charts/models';
export default function getItemAtPosition(state: ChartState<[UseChartCartesianAxisSignature]>, point: {
  x: number;
  y: number;
}): SeriesItemIdentifier<'heatmap'> | undefined;