export default selectedItemsToCumWeights;
/**
 * Compute the cumulative normalized weights associated with a
 * potentially 2d array of selected item indices.
 *
 * @param {Array<unknown>} selectedItems - The 1d or 2d array of items or groups of items.
 * @param {boolean} withRelativeSize - Does a group of indices count as 1 unit size or is its size relative to the group size?
 * @returns {Float64Array} The array of cumulative weights, one for each item.
 *
 * Sums to 1 before the cumulative sum step (i.e. the final array element will be 1).
 */
declare function selectedItemsToCumWeights(selectedItems: Array<unknown>, withRelativeSize: boolean): Float64Array;