This library relies on google/apiclient-services. That library provides up-to-date API wrappers for a large number of Google APIs. In order that users may make use of the latest API clients, this library does not pin to a specific version of google/apiclient-services. In order to prevent the accidental installation of API wrappers with breaking changes, it is highly recommended that you pin to the latest version yourself prior to using this library in production.
Cleaning up unused services
There are over 200 Google API services. The chances are good that you will not want them all. In order to avoid shipping these dependencies with your code, you can run the Google\Task\Composer::cleanup task and specify the services you want to keep in composer.json: