Java integration
curl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://fitness.googleapis.com/fitness/v1/users/{userId}/sessionscurl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://fitness.googleapis.com/fitness/v1/users/{userId}/dataSourcescurl \
-H "Authorization: Bearer $ACCESS_TOKEN" \
https://fitness.googleapis.com/fitness/v1/users/{userId}/dataSources/{dataSourceId}