Could not resolve com.google.code.gson:gson:2.7-SNAPSHOT.

When building my react native project I get the following error, although it would appear to be an issue with oss.sonatype.org being down for the past few days

FAILURE: Build failed with an exception.

• What went wrong:
  Could not determine the dependencies of task ':app:processDebugResources'.

Could not resolve all task dependencies for configuration ':app:debugRuntimeClasspath'.
Could not resolve com.google.code.gson:gson:2.+.
Required by:
project :app > project :pusher_pusher-websocket-react-native
> Could not resolve com.google.code.gson:gson:2.7-SNAPSHOT.
> Unable to load Maven meta-data from https://oss.sonatype.org/content/repositories/snapshots/com/google/code/gson/gson/2.7-SNAPSHOT/maven-metadata.xml.
> Could not GET 'https://oss.sonatype.org/content/repositories/snapshots/com/google/code/gson/gson/2.7-SNAPSHOT/maven-metadata.xml'. Received status code 502 from server: Bad Gateway

Start by reproducing the Android build and inspect how the pusher_pusher-websocket-react-native dependency resolves com.google.code.gson:gson:2.+. Check whether the snapshot metadata endpoint is still required; done means the project builds without the reported Gson resolution failure.