import type { RowHeight } from "../../types.js";
/**
 * Calculates vertical (y) coordinates for rows in a virtualized grid view.
 *
 * Each coordinate is computed cumulatively by adding the current row's height
 * to the previous row's position, creating a progressive offset pattern.
 */
export declare function rowPositions(rowCount: number, rowHeight: RowHeight, autoHeightGuess: number, autoHeightCache: Record<number, number>, getDetailHeight: (i: number) => number, containerHeight: number): Uint32Array<ArrayBuffer>;