code: function ObjectTypeProperty(node, print) {
    if (node["static"]) this.push("static ");
    print.plain(node.key);
    if (node.optional) this.push("?");
    if (!t.isFunctionTypeAnnotation(node.value)) {
      this.push(":");
      this.space();
    }
    print.plain(node.value);
  }
docs: Prints ObjectTypeProperty, prints static, key, and value.