public String toString() {
    StringBuffer strBuf = new StringBuffer();

    strBuf.append("UnknownExtensibilityElement (" + elementType + "):");
    strBuf.append("\nrequired=" + required);

    if (element != null) {
      strBuf.append("\nelement=" + element);
    }

    return strBuf.toString();
  }
  public String toString() {
    StringBuffer strBuf = new StringBuffer();

    strBuf.append("SOAPAddress (" + elementType + "):");
    strBuf.append("\nrequired=" + required);

    if (locationURI != null) {
      strBuf.append("\nlocationURI=" + locationURI);
    }

    return strBuf.toString();
  }