docs: public static String simplePrint(GraphQLType type) {
          StringBuilder sb = new StringBuilder();
          if (isNonNull(type)) {
              sb.append(simplePrint(unwrapOne(type)));
              sb.append("!");
          } else if (isList(type)) {
              sb.append("[");
              sb.append(simplePrint(unwrapOne(type)));
              sb.append("]");
          } else {
              sb.append(type.getName());
          }
          return sb.toString();
      }