private function loadReturnsOfThisFunction(): array
    {
        $returnPositions = TokenHelper::findNextAll(
            $this->file->getBaseFile(),
            [T_RETURN],
            $this->stackPos + 1,
            $this->token['scope_closer']
        );

        return array_filter($returnPositions, function (int $returnPos): bool {
            $possibleClosure = $this->file->findPrevious([T_CLOSURE, T_FUNCTION], $returnPos - 1, $this->stackPos);

            return $possibleClosure === $this->stackPos;
        });
    }