The Flutter Google API Availability plugin is built following the federated plugin architecture. A detailed explanation of the federated plugin concept can be found in the Flutter documentation. This means the Google API Availability plugin is separated into the following packages:
google_api_availability: the app facing package. This is the package users depend on to use the plugin in their project. For details on how to use thegoogle_api_availabilityplugin you can refer to its README.md file.google_api_availability_platform_interface: this package declares the interface which all platform packages must implement to support the app-facing package. Instructions on how to implement a platform package can be found in the README.md of thegoogle_api_availability_platform_interfacepackage.