writeRing(node, ring, objectStack) {
    const linearRing = createElementNS(node.namespaceURI, 'LinearRing');
    node.appendChild(linearRing);
    this.writeLinearRing(linearRing, ring, objectStack);
  }
@param {Element} node Node.
@param {import("../geom/LinearRing.js").default} ring LinearRing geometry.
@param {Array<*>} objectStack Node stack.