src/JmesPath/TreeCompiler.php
private function write($str)
    {
        $this->source .= $this->indentation;
        if (func_num_args() == 1) {
            $this->source .= $str . "\n";
            return $this;
        }
        $this->source .= vsprintf($str, array_slice(func_get_args(), 1)) . "\n";
        return $this;
    }
private function write($str)
    {
        $this->source .= $this->indentation;
        if (func_num_args() == 1) {
            $this->source .= $str . "\n";
            return $this;
        }
        $this->source .= vsprintf($str, array_slice(func_get_args(), 1)) . "\n";
        return $this;
    }
Writes the given line of source code. Pass positional arguments to write
that match the format of sprintf.

@param string $str String to write
@return $this