@java.lang.Override
    public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
      }
      if (dataType_ != com.google.cloud.visionai.v1.DataType.DATA_TYPE_UNSPECIFIED.getNumber()) {
        output.writeEnum(2, dataType_);
      }
      if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(dataTypeUri_)) {
        com.google.protobuf.GeneratedMessageV3.writeString(output, 3, dataTypeUri_);
      }
      getUnknownFields().writeTo(output);
    }
<code>string data_type_uri = 3;</code>

@return The bytes for dataTypeUri.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ProcessorIOSpec.java