public Builder setProductSet(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      productSet_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
The resource name of a [ProductSet][google.cloud.vision.v1.ProductSet] to
be searched for similar images.

Format is:
`projects/PROJECT_ID/locations/LOC_ID/productSets/PRODUCT_SET_ID`.
</pre>

<code>string product_set = 6 [(.google.api.resource_reference) = { ... }</code>

@param value The productSet to set.
@return This builder for chaining.
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ProductSearchParams.java