JetFile: PackageModifiers.kt
  PACKAGE_DIRECTIVE
    MODIFIER_LIST
      PsiElement(public)('public')
      PsiWhiteSpace(' ')
      ANNOTATION
        PsiElement(AT)('@')
        PsiElement(LBRACKET)('[')
        ANNOTATION_ENTRY
          CONSTRUCTOR_CALLEE
            TYPE_REFERENCE
              USER_TYPE
                REFERENCE_EXPRESSION
                  PsiElement(IDENTIFIER)('a')
        PsiElement(RBRACKET)(']')
    PsiWhiteSpace(' ')
    PsiElement(package)('package')
    PsiWhiteSpace(' ')
    REFERENCE_EXPRESSION
      PsiElement(IDENTIFIER)('name')
  IMPORT_LIST
    <empty list>
