Phan\Language\Element\Func::getFQSEN PHP Method

    public function getFQSEN() : FullyQualifiedFunctionName
    {
        return $this->fqsen;
    }

 /**
  * @param Func $function
  * A function to add to the code base
  *
  * @return void
  */
 public function addFunction(Func $function)
 {
     // Add it to the map of functions
     $this->fqsen_func_map[$function->getFQSEN()] = $function;
     // Add it to the set of functions and methods
     $this->func_and_method_set->attach($function);
 }