import type { ChartData } from '../../core/types/chart-data.js';
import type { HoneycombTileData } from '../types/honeycomb.js';
/**
 * Converts a unified `ChartData` array into the internal `HoneycombTileData[]`
 * shape consumed by the rendering pipeline.
 *
 * Each datapoint's value is resolved via `valueAccessor` (dot-notation
 * supported). The `name` field is read from the datapoint when present;
 * otherwise a default incremented name is generated.
 * Datapoints whose resolved value is `null` or `undefined` are skipped.
 *
 * @param data - the unified chart dataset
 * @param valueAccessor - field path to the tile value (defaults to `"value"`)
 * @returns the internal `HoneycombTileData` array
 * @internal
 */
export declare function normalizeHoneycombChartData(data: ChartData, valueAccessor?: string): HoneycombTileData[];