public java.lang.String getProcessor() {
      java.lang.Object ref = processor_;
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        processor_ = s;
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
<pre>
Processor name refer to the chosen processor resource.
</pre>

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

@return The processor.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Node.java