public Builder setGraphInputChannelSpecs(
        int index,
        com.google.cloud.visionai.v1.ProcessorIOSpec.GraphInputChannelSpec.Builder
            builderForValue) {
      if (graphInputChannelSpecsBuilder_ == null) {
        ensureGraphInputChannelSpecsIsMutable();
        graphInputChannelSpecs_.set(index, builderForValue.build());
        onChanged();
      } else {
        graphInputChannelSpecsBuilder_.setMessage(index, builderForValue.build());
      }
      return this;
    }
<pre>
For processors with input_channel_specs, the processor must be explicitly
connected to another processor.
</pre>

<code>
repeated .google.cloud.visionai.v1.ProcessorIOSpec.GraphInputChannelSpec graph_input_channel_specs = 3;
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ProcessorIOSpec.java