composer require google/apiclient:^2.0
If you are using PHP 7.2 or higher the parameter for count() cannot be NULL in "SERVER_PATH\vendor\guzzlehttp\guzzle\src\Handler\CurlFactory.php" on line 66 or 67.
If following warning encountered, replace the suitable line with given code.
Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\google\vendor\guzzlehttp\guzzle\src\Handler\CurlFactory.php on line 67
Replace this 👇
if (($this->handles ? count($this->handles) : 0) >= $this->maxHandles) {