docs: public FailureScope toFailureScope(byte[] bytes)
      {
          if (tc.isEntryEnabled()) Tr.entry(tc, "toFailureScope", new Object[] {RLSUtils.toHexString(bytes), this});
  
          final ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
          final DataInputStream dis = new DataInputStream(bais);
          
          int version = 0;
          try
          {
            // The first byte is the failure scope ID. We can disgard this
            // as the factory manager has already determined that the 
            // failure scope contained in the byte[] should be inflated by
            // this factory.
            byte failureScopeID = dis.readByte();
            if (tc.isDebugEnabled()) Tr.debug(tc,"FailureScope version manager id is " + failureScopeID);
  
            version = (int)(dis.readByte());
            if (tc.isDebugEnabled()) Tr.debug(tc,"FailureScope version is " + version);
            
          }
          catch (IOException ioe)
          {
              FFDCFilter.processException(ioe, "com.ibm.ws.recoverylog.spi.FileFailureScopeFactory.toFailureScope", "61", this);
              if (tc.isEventEnabled()) Tr.event(tc, "IOException caught inflating failure scope", ioe);
  
              // REQD Throw an exception here, or return null from the method?    
          }
          
          FileFailureScope failureScope = null;
          
          if (version == VERSION)
          {
              try
              {
                  final String serverName = dis.readUTF();
                  failureScope = new FileFailureScope(serverName);
              }
              catch (IOException ioe)
              {
                  FFDCFilter.processException(ioe, "com.ibm.ws.recoverylog.spi.FileFailureScopeFactory.toFailureScope", "68", this);
                  if (tc.isEventEnabled()) Tr.event(tc, "IOException caught inflating failure scope", ioe);
                  
                  // REQD Throw an exception here, or return null from the method?    
              }
          }
          else
          {
              if (tc.isEventEnabled()) Tr.event(tc, "FailureScope version level not recognized. Expected version " + VERSION);
              // REQD Throw an exception if versions do not match, or return null from the method?
          }
               
          if (tc.isEntryEnabled()) Tr.exit(tc, "toFailureScope", failureScope);
          return failureScope;
      }