lexerElement: lexerAtom ebnfSuffix? | lexerBlock ebnfSuffix?

def visitLexerElement(self, ctx: jsgParser.LexerElementContext):
        """ lexerElement: lexerAtom ebnfSuffix? | lexerBlock ebnfSuffix? """
        self.visitChildren(ctx)
        if ctx.ebnfSuffix():
            self._rulePattern += ctx.ebnfSuffix().getText()