Available configurations to provision an Instance.
The Customer Managed Encryption Key (CMEK) used for data encryption. The CMEK name should follow the format of projects/([^/]+)/locations/([^/]+)/keyRings/([^/]+)/cryptoKeys/([^/]+), where the location must match InstanceConfig.location.
projects/([^/]+)/locations/([^/]+)/keyRings/([^/]+)/cryptoKeys/([^/]+)
location