public Builder clearProducerNode() {
          producerNode_ = getDefaultInstance().getProducerNode();
          bitField0_ = (bitField0_ & ~0x00000002);
          onChanged();
          return this;
        }
<pre>
The name of graph node who produces the output resource name.
For example:
output_resource:
/projects/123/locations/us-central1/corpora/my-corpus/dataSchemas/my-schema
producer_node: occupancy-count
</pre>

<code>string producer_node = 2;</code>

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Application.java