/**
 *
 * @param x X coordinate (up to 10 bits: 0-1023)
 * @param y Y coordinate (up to 10 bits: 0-1023)
 * @param z Z coordinate (up to 10 bits: 0-1023)
 * @returns 32-bit Morton code
 */
export declare function morton3DEncode(x: number, y: number, z: number): number;