PhpCsFixer\Fixer\Import\NoUnusedImportsFixer::removeUseDeclaration PHP Method

    private function removeUseDeclaration(Tokens $tokens, array $useDeclaration)
    {
        for ($index = $useDeclaration['end'] - 1; $index >= $useDeclaration['start']; --$index) {
            $tokens->clearTokenAndMergeSurroundingWhitespace($index);
        }
        if ($tokens[$useDeclaration['end']]->equals(';')) {
            $tokens[$useDeclaration['end']]->clear();
        }
        $prevToken = $tokens[$useDeclaration['start'] - 1];
        if ($prevToken->isWhitespace()) {
            $prevToken->setContent(rtrim($prevToken->getContent(), " \t"));
        }
        if (!isset($tokens[$useDeclaration['end'] + 1])) {
            return;
        }
        $nextIndex = $useDeclaration['end'] + 1;
        $nextToken = $tokens[$nextIndex];
        if ($nextToken->isWhitespace()) {
            $content = ltrim($nextToken->getContent(), " \t");
            $content = preg_replace("#^\r\n|^\n#", '', $content, 1);
            $nextToken->setContent($content);
        }
        if ($prevToken->isWhitespace() && $nextToken->isWhitespace()) {
            $tokens->overrideAt($nextIndex, array(T_WHITESPACE, $prevToken->getContent() . $nextToken->getContent()));
            $prevToken->clear();
        }
    }