public Lexer createLexer(@NotNull ASTNode chameleon,
                           @NotNull Project project) {
    final Language language = chameleon.getElementType().getLanguage();
    final ParserDefinition parserDefinition = LanguageParserDefinitions.INSTANCE.forLanguage(language);
    return parserDefinition.createLexer(project);
  }
public Lexer createLexer(@NotNull ASTNode chameleon,
                           @NotNull Project project)