@java.lang.Override
    public Builder toBuilder() {
      return this == DEFAULT_INSTANCE ? new Builder() : new Builder().mergeFrom(this);
    }
<pre>
The data type of the argument.

This should match the textual representation of a stream/Packet type.
</pre>

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

@return The bytes for type.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/OperatorDefinition.java