code: public void flushBuffer()
      throws IOException
      {
          if (logger.isLoggable(Level.FINER)) logger.entering(className, "flushBuffer()");
  
          if (this.osWriter != null)
          {
              this.osWriter.flush();
          }
  
          if (logger.isLoggable(Level.FINER)) logger.exiting(className, "flushBuffer()");
      }
docs: Method to flush out anything remaining in the buffers.