import type { DataXY, DoubleMatrix } from 'cheminfo-types';
import type { XGetFromToIndexOptions } from 'ml-spectra-processing';
/**
 * Scale matrix rows to match maximum value of target
 * @param matrix - Matrix to scale (modified in place)
 * @param normalizedTarget - Target data with x and y arrays
 * @param range - Optional range to consider
 */
export declare function max(matrix: DoubleMatrix, normalizedTarget: DataXY, range?: XGetFromToIndexOptions): void;
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