(Statements
  (Package
    (Identifier))
  (Statements
  { (QualifiedImport
    {-(Identifier)-})
  ->(QualifiedImport
    {+(Identifier)+}) }
  { (Import
    {-(TextElement)-})
  ->(Import
    {+(TextElement)+}) }
  { (QualifiedImport
    {-(Identifier)-})
  ->(QualifiedImport
    {+(Identifier)+}) })
  (Function
    (Empty)
    (Identifier)
    (Statements)
    (Statements)))