private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.memorystore.v1.Instance,
            com.google.cloud.memorystore.v1.Instance.Builder,
            com.google.cloud.memorystore.v1.InstanceOrBuilder>
        getInstanceFieldBuilder() {
      if (instanceBuilder_ == null) {
        instanceBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.memorystore.v1.Instance,
                com.google.cloud.memorystore.v1.Instance.Builder,
                com.google.cloud.memorystore.v1.InstanceOrBuilder>(
                getInstance(), getParentForChildren(), isClean());
        instance_ = null;
      }
      return instanceBuilder_;
    }
<pre>
Required. The instance to create.
</pre>

<code>
.google.cloud.memorystore.v1.Instance instance = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/CreateInstanceRequest.java