KtFile: LongPackageName.kt
  PACKAGE_DIRECTIVE
    PsiElement(package)('package')
    PsiWhiteSpace(' ')
    DOT_QUALIFIED_EXPRESSION
      DOT_QUALIFIED_EXPRESSION
        DOT_QUALIFIED_EXPRESSION
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('foo')
          PsiElement(DOT)('.')
          REFERENCE_EXPRESSION
            PsiElement(IDENTIFIER)('bar')
        PsiElement(DOT)('.')
        REFERENCE_EXPRESSION
          PsiElement(IDENTIFIER)('baz')
      PsiElement(DOT)('.')
      REFERENCE_EXPRESSION
        PsiElement(IDENTIFIER)('buzz')
  IMPORT_LIST
    <empty list>