@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>
Whether the output resource needs to be explicitly set in the instance.
If it is false, the processor will automatically generate it if required.
</pre>

<code>bool explicit = 3;</code>

@return The explicit.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ProcessorIOSpec.java