code: public static void preferredSyntax(MediaRangeSyntax syntax) {
  		if(syntax==null) {
  			SYNTAX.set(MediaRangeSyntax.RFC7230);
  		} else {
  			SYNTAX.set(syntax);
  		}
  	}
docs: Set the preferred syntax to use for parsing media types. If the specified
  syntax is {@code null}, RFC7230 syntax will be used as default.
  
  @param syntax
  the syntax