public Builder mergeFrom(com.google.cloud.vision.v1p1beta1.AnnotateImageRequest other) {
      if (other == com.google.cloud.vision.v1p1beta1.AnnotateImageRequest.getDefaultInstance())
        return this;
      if (other.hasImage()) {
        mergeImage(other.getImage());
      }
      if (featuresBuilder_ == null) {
        if (!other.features_.isEmpty()) {
          if (features_.isEmpty()) {
            features_ = other.features_;
            bitField0_ = (bitField0_ & ~0x00000002);
          } else {
            ensureFeaturesIsMutable();
            features_.addAll(other.features_);
          }
          onChanged();
        }
      } else {
        if (!other.features_.isEmpty()) {
          if (featuresBuilder_.isEmpty()) {
            featuresBuilder_.dispose();
            featuresBuilder_ = null;
            features_ = other.features_;
            bitField0_ = (bitField0_ & ~0x00000002);
            featuresBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getFeaturesFieldBuilder()
                    : null;
          } else {
            featuresBuilder_.addAllMessages(other.features_);
          }
        }
      }
      if (other.hasImageContext()) {
        mergeImageContext(other.getImageContext());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Request for performing Google Cloud Vision API tasks over a user-provided
image, with user-requested features.
</pre>

Protobuf type {@code google.cloud.vision.v1p1beta1.AnnotateImageRequest}
java-vision/proto-google-cloud-vision-v1p1beta1/src/main/java/com/google/cloud/vision/v1p1beta1/AnnotateImageRequest.java