JetFile: LineCommentAfterFileAnnotations.kt
  FILE_ANNOTATION_LIST
    ANNOTATION
      PsiElement(LBRACKET)('[')
      PsiElement(file)('file')
      PsiElement(COLON)(':')
      ANNOTATION_ENTRY
        CONSTRUCTOR_CALLEE
          TYPE_REFERENCE
            USER_TYPE
              REFERENCE_EXPRESSION
                PsiElement(IDENTIFIER)('volatile')
      PsiElement(RBRACKET)(']')
  PsiWhiteSpace('\n')
  PACKAGE_DIRECTIVE
    <empty list>
  CLASS
    PsiComment(EOL_COMMENT)('// class C')
    PsiWhiteSpace('\n')
    PsiElement(class)('class')
    PsiWhiteSpace(' ')
    PsiElement(IDENTIFIER)('C')
    CLASS_BODY
      PsiElement(LBRACE)('{')
      PsiElement(RBRACE)('}')