public Builder mergeFrom(
          com.google.cloud.visionai.v1.StreamWithAnnotation.NodeAnnotation other) {
        if (other
            == com.google.cloud.visionai.v1.StreamWithAnnotation.NodeAnnotation
                .getDefaultInstance()) return this;
        if (!other.getNode().isEmpty()) {
          node_ = other.node_;
          bitField0_ |= 0x00000001;
          onChanged();
        }
        if (annotationsBuilder_ == null) {
          if (!other.annotations_.isEmpty()) {
            if (annotations_.isEmpty()) {
              annotations_ = other.annotations_;
              bitField0_ = (bitField0_ & ~0x00000002);
            } else {
              ensureAnnotationsIsMutable();
              annotations_.addAll(other.annotations_);
            }
            onChanged();
          }
        } else {
          if (!other.annotations_.isEmpty()) {
            if (annotationsBuilder_.isEmpty()) {
              annotationsBuilder_.dispose();
              annotationsBuilder_ = null;
              annotations_ = other.annotations_;
              bitField0_ = (bitField0_ & ~0x00000002);
              annotationsBuilder_ =
                  com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                      ? getAnnotationsFieldBuilder()
                      : null;
            } else {
              annotationsBuilder_.addAllMessages(other.annotations_);
            }
          }
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
Message describing annotations specific to application node.
</pre>

Protobuf type {@code google.cloud.visionai.v1.StreamWithAnnotation.NodeAnnotation}
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/StreamWithAnnotation.java