src/Fixer/Strict/DeclareStrictTypesFixer.php
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        // check if the declaration is already done
        $searchIndex = $tokens->getNextMeaningfulToken(0);
        if (null === $searchIndex) {
            $this->insertSequence($tokens); // declaration not found, insert one

            return;
        }

        $sequence = $this->getDeclareStrictTypeSequence();
        $sequenceLocation = $tokens->findSequence($sequence, $searchIndex, null, false);
        if (null === $sequenceLocation) {
            $this->insertSequence($tokens); // declaration not found, insert one

            return;
        }

        $this->fixStrictTypesCasing($tokens, $sequenceLocation);
    }
protected function applyFix(\SplFileInfo $file, Tokens $tokens)
    {
        // check if the declaration is already done
        $searchIndex = $tokens->getNextMeaningfulToken(0);
        if (null === $searchIndex) {
            $this->insertSequence($tokens); // declaration not found, insert one

            return;
        }

        $sequence = $this->getDeclareStrictTypeSequence();
        $sequenceLocation = $tokens->findSequence($sequence, $searchIndex, null, false);
        if (null === $sequenceLocation) {
            $this->insertSequence($tokens); // declaration not found, insert one

            return;
        }

        $this->fixStrictTypesCasing($tokens, $sequenceLocation);
    }
{@inheritdoc}