public Builder clearProcessor() {
      processor_ = getDefaultInstance().getProcessor();
      bitField0_ = (bitField0_ & ~0x00000010);
      onChanged();
      return this;
    }
<pre>
Processor name refer to the chosen processor resource.
</pre>

<code>string processor = 4;</code>

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