message: Fixed incorrect method name
  `lex` -> `tokenize`
diff: @@ -283,7 +283,7 @@ const toAstVisitorInstance = new SQLToAstVisitor()
  function toAst(inputText) {
  // Lex
  - let lexResult = selectLexer.lex(inputText)
  + let lexResult = selectLexer.tokenize(inputText)
  parserInstance.input = lexResult.tokens
  // Automatic CST created when parsing
  