KtFile: 2.4.kt
  FILE_ANNOTATION_LIST
    PsiErrorElement:Expected annotation identifier after ':'
      PsiElement(AT)('@')
      PsiElement(IDENTIFIER)('file')
      PsiElement(COLON)(':')
  PACKAGE_DIRECTIVE
    <empty list>
  IMPORT_LIST
    <empty list>
  PsiErrorElement:Expecting a top level declaration
    PsiElement(true)('true')