code: private void flush(final Collection<Writer> writers) {
  		for (Writer writer : writers) {
  			try {
  				writer.flush();
  			} catch (Exception ex) {
  				InternalLogger.log(Level.ERROR, ex, "Failed to flush writer");
  			}
  		}
  	}
docs: Flushes a collection of writers.
  
  @param writers
  Writers to flush