@java.lang.Override
    public final Builder mergeUnknownFields(
        final com.google.protobuf.UnknownFieldSet unknownFields) {
      return super.mergeUnknownFields(unknownFields);
    }
<pre>
Output only. This boolean field is only set for projects that have Physical
Zone Isolation enabled via an Org Policy constraint. It is set to true when
the corpus is a valid zone isolated corpus and false if it isn't.
</pre>

<code>optional bool satisfies_pzi = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Corpus.java