public function writeRoutineFunctionWithoutLob(): void
  {
    $wrapperArgs = $this->getWrapperArgs();
    $methodName  = $this->nameMangler->getMethodName($this->routine['routine_name']);
    $returnType  = $this->getReturnTypeDeclaration();

    $this->codeStore->appendSeparator();
    $this->generatePhpDoc();
    $this->codeStore->append('public static function '.$methodName.'('.$wrapperArgs.')'.$returnType);
    $this->codeStore->append('{');

    $this->writeResultHandler();
    $this->codeStore->append('}');
    $this->codeStore->append('');
  }