public boolean isValid() {
        return !name.isBlank() &&
                !awsId.isBlank() &&
                !role.isBlank();
    }
TODO: this class can probably be moved to a non-PublicApi package
TODO Vespa 9: remove

@author olaa
config-model-api/src/main/java/com/yahoo/config/model/api/TenantSecretStore.java