public Builder mergeFrom(com.google.cloud.vision.v1p4beta1.ListProductSetsResponse other) {
      if (other == com.google.cloud.vision.v1p4beta1.ListProductSetsResponse.getDefaultInstance())
        return this;
      if (productSetsBuilder_ == null) {
        if (!other.productSets_.isEmpty()) {
          if (productSets_.isEmpty()) {
            productSets_ = other.productSets_;
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            ensureProductSetsIsMutable();
            productSets_.addAll(other.productSets_);
          }
          onChanged();
        }
      } else {
        if (!other.productSets_.isEmpty()) {
          if (productSetsBuilder_.isEmpty()) {
            productSetsBuilder_.dispose();
            productSetsBuilder_ = null;
            productSets_ = other.productSets_;
            bitField0_ = (bitField0_ & ~0x00000001);
            productSetsBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getProductSetsFieldBuilder()
                    : null;
          } else {
            productSetsBuilder_.addAllMessages(other.productSets_);
          }
        }
      }
      if (!other.getNextPageToken().isEmpty()) {
        nextPageToken_ = other.nextPageToken_;
        bitField0_ |= 0x00000002;
        onChanged();
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Response message for the `ListProductSets` method.
</pre>

Protobuf type {@code google.cloud.vision.v1p4beta1.ListProductSetsResponse}
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/ListProductSetsResponse.java