public Builder setReferenceImage(
        com.google.cloud.vision.v1p4beta1.ReferenceImage.Builder builderForValue) {
      if (referenceImageBuilder_ == null) {
        referenceImage_ = builderForValue.build();
      } else {
        referenceImageBuilder_.setMessage(builderForValue.build());
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
Required. The reference image to create.
If an image ID is specified, it is ignored.
</pre>

<code>
.google.cloud.vision.v1p4beta1.ReferenceImage reference_image = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vision/proto-google-cloud-vision-v1p4beta1/src/main/java/com/google/cloud/vision/v1p4beta1/CreateReferenceImageRequest.java