import a.b.c.*
-----
Groovy script
  Import statement
    Modifiers
      <empty list>
    PsiElement(import)('import')
    PsiWhiteSpace(' ')
    Reference element
      Reference element
        Reference element
          PsiElement(identifier)('a')
        PsiElement(.)('.')
        PsiElement(identifier)('b')
      PsiElement(.)('.')
      PsiElement(identifier)('c')
    PsiElement(.)('.')
    PsiElement(*)('*')