public function visitGroupUse(Node $node) : Context
{
$children = $node->children ?? [];
$prefix = array_shift($children);
$context = $this->context;
foreach ($this->aliasTargetMapFromUseNode($children['uses'], $prefix) as $alias => $map) {
list($flags, $target) = $map;
$context = $context->withNamespaceMap($flags, $alias, $target);
}
return $context;
}