KtFile: 2.7.kt
  PACKAGE_DIRECTIVE
    <empty list>
  IMPORT_LIST
    <empty list>
  CLASS
    MODIFIER_LIST
      PsiElement(enum)('enum')
    PsiWhiteSpace(' ')
    PsiElement(class)('class')
    PsiWhiteSpace(' ')
    PsiElement(IDENTIFIER)('A')
    PRIMARY_CONSTRUCTOR
      VALUE_PARAMETER_LIST
        PsiElement(LPAR)('(')
        VALUE_PARAMETER
          PsiElement(IDENTIFIER)('x1')
          PsiElement(COLON)(':')
          PsiWhiteSpace(' ')
          TYPE_REFERENCE
            NULLABLE_TYPE
              USER_TYPE
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('Any')
              PsiElement(QUEST)('?')
        PsiElement(RPAR)(')')
    PsiWhiteSpace(' ')
    CLASS_BODY
      PsiElement(LBRACE)('{')
      PsiErrorElement:Expecting ';' after the last enum entry or '}' to close enum class body
        <empty list>
      PsiWhiteSpace('\n    ')
      PsiErrorElement:Expecting member declaration
        PsiElement(true)('true')
      PsiErrorElement:Expecting member declaration
        PsiElement(LPAR)('(')
      PsiErrorElement:Expecting member declaration
        PsiElement(OPEN_QUOTE)('"')
      PsiErrorElement:Expecting member declaration
        PsiElement(REGULAR_STRING_PART)('1')
      PsiErrorElement:Expecting member declaration
        PsiElement(CLOSING_QUOTE)('"')
      PsiErrorElement:Expecting member declaration
        PsiElement(RPAR)(')')
      PsiErrorElement:Expecting member declaration
        PsiElement(COMMA)(',')
      PsiWhiteSpace('\n    ')
      PsiErrorElement:Expecting member declaration
        PsiElement(false)('false')
      PsiErrorElement:Expecting member declaration
        PsiElement(LPAR)('(')
      PsiErrorElement:Expecting member declaration
        PsiElement(OPEN_QUOTE)('"')
      PsiErrorElement:Expecting member declaration
        PsiElement(REGULAR_STRING_PART)('2')
      PsiErrorElement:Expecting member declaration
        PsiElement(CLOSING_QUOTE)('"')
      PsiErrorElement:Expecting member declaration
        PsiElement(RPAR)(')')
      PsiElement(SEMICOLON)(';')
      PsiWhiteSpace('\n')
      PsiElement(RBRACE)('}')