PhpCsFixer\Fixer\Basic\BracesFixer::fixSingleLineWhitespaceForDeclare PHP Method

    private function fixSingleLineWhitespaceForDeclare(Tokens $tokens, $startBraceIndex)
    {
        // fix single-line whitespace before {
        // eg: `declare(ticks=1){` => `declare(ticks=1) {`
        // eg: `declare(ticks=1)   {` => `declare(ticks=1) {`
        if (!$tokens[$startBraceIndex - 1]->isWhitespace() || $tokens[$startBraceIndex - 1]->isWhitespace(" \t")) {
            $tokens->ensureWhitespaceAtIndex($startBraceIndex - 1, 1, ' ');
        }
    }