public Builder mergeFrom(com.google.cloud.vision.v1.ImageAnnotationContext other) {
      if (other == com.google.cloud.vision.v1.ImageAnnotationContext.getDefaultInstance())
        return this;
      if (!other.getUri().isEmpty()) {
        uri_ = other.uri_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (other.getPageNumber() != 0) {
        setPageNumber(other.getPageNumber());
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
If an image was produced from a file (e.g. a PDF), this message gives
information about the source of that image.
</pre>

Protobuf type {@code google.cloud.vision.v1.ImageAnnotationContext}
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/ImageAnnotationContext.java