@Override
  public UnaryCallable<CreateInstanceRequest, Operation> createInstanceCallable() {
    return createInstanceCallable;
  }
Constructs an instance of HttpJsonMemorystoreStub, using the given settings. This is protected
so that it is easy to make a subclass, but otherwise, the static factory methods should be
preferred.
java-valkey/google-cloud-valkey/src/main/java/com/google/cloud/memorystore/v1/stub/HttpJsonMemorystoreStub.java