@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(productSetId_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, productSetId_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
The ProductSet that contains the Products to delete. If a Product is a
member of product_set_id in addition to other ProductSets, the Product will
still be deleted.
</pre>

<code>string product_set_id = 1;</code>

@return The bytes for productSetId.
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/ProductSetPurgeConfig.java