this.setAttribute("extension", value);
this.setAttribute(GrouperConfig.ATTR_E, value);
  public void setExtension(String value)     throws  GroupModifyException,             InsufficientPrivilegeException  {    try {      this.setAttribute("extension", value);    }    catch (AttributeNotFoundException eANF) {      throw new GroupModifyException(        "unable to set extension: " + eANF.getMessage(), eANF      );    }  } // public void setExtension(value)