@java.lang.Override
    public final boolean isInitialized() {
      byte isInitialized = memoizedIsInitialized;
      if (isInitialized == 1) return true;
      if (isInitialized == 0) return false;

      memoizedIsInitialized = 1;
      return true;
    }
<pre>
Output only. The unique identifier of the remote instance.
</pre>

<code>
string uid = 2 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.field_info) = { ... }
</code>

@return The bytes for uid.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/CrossInstanceReplicationConfig.java