/**
  * Parses Interface node to InterfaceData
  *
  * @return InterfaceData
  */
 public function parse(Interface_ $node, FQN $fqn, $file)
 {
     $fqcn = new FQCN($node->name, $fqn);
     $interface = new InterfaceData($fqcn, $file);
     foreach ($node->extends as $interfaceName) {
         $interface->addInterface($this->useParser->getFQCN($interfaceName));
     }
     foreach ($node->stmts as $child) {
         if ($child instanceof ClassMethod) {
             $interface->addMethod($this->parseMethod($child));
         }
     }
     return $interface;
 }