code: protected boolean atStart()
      {
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.entry(this, cclass
                          , "atStart"
                              );
  
          boolean atStartOfLogRecord = (bufferCursor == 0) && (bufferByteCursor == 0);
  
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.exit(this, cclass
                         , "atStart"
                         , "returns atStartOfLogRecord=" + atStartOfLogRecord + "(boolean)"
                              );
          return atStartOfLogRecord;
      }
docs: Indicates whether the buffer cursors are positioned at the start of the LogRecord buffers
  indicating that no logBuffers have been filled yet.
  
  @return boolean true if the cursors are positioned ta the start of the LogRecord.