KtFile: 2.4.kt
  FILE_ANNOTATION_LIST
    ANNOTATION_ENTRY
      PsiElement(AT)('@')
      ANNOTATION_TARGET
        PsiElement(file)('file')
      PsiElement(COLON)(':')
      CONSTRUCTOR_CALLEE
        TYPE_REFERENCE
          USER_TYPE
            REFERENCE_EXPRESSION
              PsiElement(IDENTIFIER)('`true`')
  PACKAGE_DIRECTIVE
    <empty list>
  IMPORT_LIST
    <empty list>