import type { HistogramInput, HistogramResult } from './types.js';
/**
 * Histogram binning with optional explicit bin count (Sturges' rule by default) and range.
 *
 * @param input - Data values, optional bin count, optional [min, max] range
 * @returns Bins with counts/frequencies, bin width, and total count
 * @throws RangeError if data is empty or bins < 1
 */
export declare function histogram(input: HistogramInput): HistogramResult;
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