private com.google.protobuf.RepeatedFieldBuilderV3<
            com.google.cloud.visionai.v1.ProcessorIOSpec.GraphInputChannelSpec,
            com.google.cloud.visionai.v1.ProcessorIOSpec.GraphInputChannelSpec.Builder,
            com.google.cloud.visionai.v1.ProcessorIOSpec.GraphInputChannelSpecOrBuilder>
        getGraphInputChannelSpecsFieldBuilder() {
      if (graphInputChannelSpecsBuilder_ == null) {
        graphInputChannelSpecsBuilder_ =
            new com.google.protobuf.RepeatedFieldBuilderV3<
                com.google.cloud.visionai.v1.ProcessorIOSpec.GraphInputChannelSpec,
                com.google.cloud.visionai.v1.ProcessorIOSpec.GraphInputChannelSpec.Builder,
                com.google.cloud.visionai.v1.ProcessorIOSpec.GraphInputChannelSpecOrBuilder>(
                graphInputChannelSpecs_,
                ((bitField0_ & 0x00000001) != 0),
                getParentForChildren(),
                isClean());
        graphInputChannelSpecs_ = null;
      }
      return graphInputChannelSpecsBuilder_;
    }
<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