/**
 * @param {Array<number>} flatCoordinates Flat coordinates.
 * @param {number} offset Offset.
 * @param {Array<Array<number>>} endss Endss.
 * @param {number} stride Stride.
 * @return {Array<number>} Flat centers.
 */
export function linearRingss(flatCoordinates: Array<number>, offset: number, endss: Array<Array<number>>, stride: number): Array<number>;