code: public com.google.protobuf.ByteString
        getImageBytes() {
      java.lang.Object ref = image_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b = 
            com.google.protobuf.ByteString.copyFromUtf8(
                (java.lang.String) ref);
        image_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
docs: <pre>
  URI to the hosted container image in a Docker repository. The URI must be
  fully qualified and include a tag or digest.
  Examples: "gcr.io/my-project/image:tag" or "gcr.io/my-project/image&#64;digest"
  </pre>
  
  <code>string image = 1;</code>