public static com.google.cloud.visionai.v1.ProcessorIOSpec.GraphOutputChannelSpec
        getDefaultInstance() {
      return DEFAULT_INSTANCE;
    }
<code>string data_type_uri = 3;</code>

@param value The bytes for dataTypeUri to set.
@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ProcessorIOSpec.java