public Builder mergeFrom(com.google.cloud.vision.v1p3beta1.CropHintsAnnotation other) {
      if (other == com.google.cloud.vision.v1p3beta1.CropHintsAnnotation.getDefaultInstance())
        return this;
      if (cropHintsBuilder_ == null) {
        if (!other.cropHints_.isEmpty()) {
          if (cropHints_.isEmpty()) {
            cropHints_ = other.cropHints_;
            bitField0_ = (bitField0_ & ~0x00000001);
          } else {
            ensureCropHintsIsMutable();
            cropHints_.addAll(other.cropHints_);
          }
          onChanged();
        }
      } else {
        if (!other.cropHints_.isEmpty()) {
          if (cropHintsBuilder_.isEmpty()) {
            cropHintsBuilder_.dispose();
            cropHintsBuilder_ = null;
            cropHints_ = other.cropHints_;
            bitField0_ = (bitField0_ & ~0x00000001);
            cropHintsBuilder_ =
                com.google.protobuf.GeneratedMessageV3.alwaysUseFieldBuilders
                    ? getCropHintsFieldBuilder()
                    : null;
          } else {
            cropHintsBuilder_.addAllMessages(other.cropHints_);
          }
        }
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Set of crop hints that are used to generate new crops when serving images.
</pre>

Protobuf type {@code google.cloud.vision.v1p3beta1.CropHintsAnnotation}
java-vision/proto-google-cloud-vision-v1p3beta1/src/main/java/com/google/cloud/vision/v1p3beta1/CropHintsAnnotation.java