/**
 * JSTS. See https://github.com/bjornharrtell/jsts
 * https://github.com/bjornharrtell/jsts/blob/master/LICENSE_EDLv1.txt
 * https://github.com/bjornharrtell/jsts/blob/master/LICENSE_EPLv1.txt
 * https://github.com/bjornharrtell/jsts/blob/master/LICENSE_LICENSE_ES6_COLLECTIONS.txt
 * @license
 */