JetFile: PackageNameDoubleDot.kt
  PACKAGE_DIRECTIVE
    PsiElement(package)('package')
    PsiWhiteSpace(' ')
    PsiErrorElement:Package name must be a '.'-separated identifier list
      PsiElement(DOT)('.')
    PsiWhiteSpace(' ')
    PsiErrorElement:Package name must be a '.'-separated identifier list
      PsiElement(DOT)('.')
    PsiErrorElement:Package name must be a '.'-separated identifier list placed on a single line
      <empty list>
  IMPORT_LIST
    <empty list>