private void buildPartial0(
          com.google.cloud.vertexai.api.SpeculativeDecodingSpec.DraftModelSpeculation result) {
        int from_bitField0_ = bitField0_;
        if (((from_bitField0_ & 0x00000001) != 0)) {
          result.draftModel_ = draftModel_;
        }
      }
<pre>
Draft model speculation works by using the smaller model to generate
candidate tokens for speculative decoding.
</pre>

Protobuf type {@code google.cloud.vertexai.v1.SpeculativeDecodingSpec.DraftModelSpeculation}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SpeculativeDecodingSpec.java