code: protected final String render(final LogEntry logEntry) {
  		if (builder == null) {
  			StringBuilder builder = new StringBuilder(BUILDER_CAPACITY);
  			token.render(logEntry, builder);
  			return builder.toString();
  		} else {
  			builder.setLength(0);
  			token.render(logEntry, builder);
  			return builder.toString();
  		}
  	}
docs: Renders a log entry as string.
  
  @param logEntry
  Log entry to render
  @return Rendered log entry