code: StringBuilder toStringBuilder(StringBuilder sbuf) {
          synchronized (ivPuList) {
              sbuf.append("\n  PxmlInfo: ScopeName=").append(ivScopeInfo.getScopeName()).append("\tRootURL = ").append(ivRootURL).append("\t# PUs = ").append(ivPuList.size()).append("\t[");
              int index = 0;
              for (JPAPUnitInfo puInfo : ivPuList.values()) {
                  puInfo.toStringBuilder(sbuf);
                  if (++index < ivPuList.size()) {
                      sbuf.append(", ");
                  }
              }
              sbuf.append(']');
          }
  
          return sbuf;
      }
docs: Dump this persistence.xml data to the input StringBuilder.