getReturnType() public méthode

public getReturnType ( )
 protected function renderReturnType(Method $method)
 {
     $type = $method->getReturnType();
     return $type ? sprintf(': %s', $type) : '';
 }
 /**
  * Gets the declaration code, as a string, for the passed method.
  *
  * @param Method $method
  * @param array  $namedParameters
  * @return string
  */
 private function getMethodDeclaration(Method $method, array $namedParameters)
 {
     $declaration = 'public';
     $declaration .= $method->isStatic() ? ' static' : '';
     $declaration .= ' function ' . $method->getName() . '(';
     foreach ($method->getParameters() as $index => $parameter) {
         $declaration .= $parameter->getTypeHintAsString() . ' ';
         $name = isset($namedParameters[$index]) ? $namedParameters[$index] : $parameter->getName();
         $declaration .= '$' . $name;
         $declaration .= ',';
     }
     $declaration = rtrim($declaration, ',');
     $declaration .= ') ';
     $returnType = $method->getReturnType();
     if (!empty($returnType)) {
         $declaration .= ': ' . $returnType;
     }
     return $declaration;
 }