(Program
  (Import {(Identifier)->(Identifier)})
  (QualifiedImport {(Identifier)->(Identifier)} {(Identifier)->(Identifier)})
  {(Import {-(Identifier)-})->(Import {+(Identifier)+})}
  {(Import {-(Identifier)-})->(Import {+(Identifier)+})}
  {(Import {-(Identifier)-})->(Import {+(Identifier)+})}
  (
    (Import {(Identifier)->(Identifier)})
    {(Import {-(Identifier)-})->(Import {+(Identifier)+})})
  (
    (Import {(Identifier)->(Identifier)})
    (QualifiedImport {(Identifier)->(Identifier)} {(Identifier)->(Identifier)}))
  (Import {(TextElement)->(TextElement)}))