public NbtException( int errorClass, int errorCode ) {
        super( getErrorString( errorClass, errorCode ));
        this.errorClass = errorClass;
        this.errorCode = errorCode;
    }
    public String toString() {
        return new String( "errorClass=" + errorClass + ",errorCode=" + errorCode + ",errorString=" + getErrorString( errorClass, errorCode ));
    }

     */
    @Nonnull
    List<? extends ModelBuilderResult> getChildren();

    /**
     * Creates a human-readable representation of these errors.
     */
    String toString();

        StringBuilder builder = new StringBuilder()
        nodes.each { node ->
            format(node, builder, 0, prettyPrint, prettyPrint)
        }
        return builder.toString()
    }

    def format(Node node, Appendable target, int depth, boolean prettyPrint, boolean indentSelf) {
        if (node instanceof Element) {
            Element element = (Element) node

  }

  @Override
  public String toString() {
    if (count() > 0) {
      return MoreObjects.toStringHelper(this)
          .add("xStats", xStats)
          .add("yStats", yStats)
          .add("populationCovariance", populationCovariance())
          .toString();
    } else {
      return MoreObjects.toStringHelper(this)
          .add("xStats", xStats)

   */
  @Override
  public final String toString() {
    byte[] bytes = getBytesInternal();
    StringBuilder sb = new StringBuilder(2 * bytes.length);
    for (byte b : bytes) {
      sb.append(hexDigits[(b >> 4) & 0xf]).append(hexDigits[b & 0xf]);
    }
    return sb.toString();
  }

  private static final char[] hexDigits = "0123456789abcdef".toCharArray();

            return typePrefix;
        }

        String getConfigId(final String id) {
            if (id == null) {
                return null;
            }
            return typePrefix + id.toString();
        }
    }

    public enum ConfigName {
        CLIENT, XPATH, META, VALUE, SCRIPT, FIELD, CONFIG;
    }

    public static class Param {
        // client.*

        try (final StringWriter sw = new StringWriter(); final PrintWriter pw = new PrintWriter(sw)) {
            t.printStackTrace(pw);
            pw.flush();
            return systemHelper.abbreviateLongText(sw.toString());
        } catch (final IOException e) {
            logger.warn("Failed to print the stack trace {}", t.getMessage(), e);
        }
        return StringUtil.EMPTY;
    }

                        } catch (final UnsupportedEncodingException e) {
                            // NOP
                        }
                    }
                }
                hash = buf.toString();
            } else {
                hash = StringUtil.EMPTY;
            }
        } else {
            hash = StringUtil.EMPTY;
        }

        if (!isFileSystemPath(targetUrl)) {

   * "h2".
   *
   * See also [IANA tls-extensiontype-values][iana].
   *
   * [iana]: https://www.iana.org/assignments/tls-extensiontype-values
   */
  override fun toString(): String = protocol

  companion object {
    /**
     * Returns the protocol identified by `protocol`.
     *
     * @throws IOException if `protocol` is unknown.
     */
    @JvmStatic

    }
  }

  @Test fun addUnsafeNonAsciiAcceptsUnicodeValue() {
    val headers =
      Headers.Builder()
        .addUnsafeNonAscii("header1", "valué1")
        .build()
    assertThat(headers.toString()).isEqualTo("header1: valué1\n")
  }

  // Fails on JS, ClassCastException: Illegal cast
  @Test fun ofMapThrowsOnNull() {
    assertFailsWith<NullPointerException> {