@java.lang.Override
      public int getDataTypeValue() {
        return dataType_;
      }
<pre>
The data type of the current output channel.
</pre>

<code>.google.cloud.visionai.v1.DataType data_type = 2;</code>

@return The enum numeric value on the wire for dataType.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ProcessorIOSpec.java