protected function processToken(): void
    {
        $returnPositions = $this->loadReturnsOfThisFunction();

        if (count($returnPositions) > 1) {
            array_shift($returnPositions);

            array_walk($returnPositions, function (int $returnPos): void {
                $this->file->addWarning(
                    self::WARNING_MULTIPLE_RETURNS_FOUND,
                    $returnPos,
                    static::CODE_MULTIPLE_RETURNS_FOUND
                );
            });
        }
    }