public Builder clearProductSet() {
      bitField0_ = (bitField0_ & ~0x00000001);
      productSet_ = null;
      if (productSetBuilder_ != null) {
        productSetBuilder_.dispose();
        productSetBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Required. The ProductSet resource which replaces the one on the server.
</pre>

<code>
.google.cloud.vision.v1p3beta1.ProductSet product_set = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/UpdateProductSetRequest.java