Tools.YyLexer.OldAction C# (CSharp) Method

public OldAction ( Lexer yyl, string &yytext, int action, bool &reject ) : TOKEN
yyl	Lexer
yytext	string
action	int
reject	bool
return	TOKEN

        public virtual TOKEN OldAction(Lexer yyl,ref string yytext,int action,ref bool reject)
        {
            return null;
        }

YyLexer