public Builder clearModel() {
      model_ = getDefaultInstance().getModel();
      bitField0_ = (bitField0_ & ~0x00000004);
      onChanged();
      return this;
    }
<pre>
Optional. The name of the publisher model requested to serve the
prediction. Format:
projects/{project}/locations/{location}/publishers/&#42;&#47;models/&#42;
</pre>

<code>string model = 3 [(.google.api.field_behavior) = OPTIONAL];</code>

@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ComputeTokensRequest.java