(Statements
{ (Import)
->(Import) }
{ (QualifiedAliasedImport
  {-(Identifier)-})
->(QualifiedAliasedImport
  {+(Identifier)+}) }
{ (Import)
->(Import) }
{+(Import)+}
{+(Import)+}
{+(Statements
  {+(Import)+}
  {+(Import)+})+}
{+(Statements
  {+(Import)+}
  {+(QualifiedAliasedImport
    {+(Identifier)+})+})+}
{+(SideEffectImport)+}
{-(Import)-}
{-(Import)-}
{-(Statements
  {-(Import)-}
  {-(Import)-})-}
{-(Statements
  {-(Import)-}
  {-(QualifiedAliasedImport
    {-(Identifier)-})-})-}
{-(SideEffectImport)-})