private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.vertexai.api.Presets,
            com.google.cloud.vertexai.api.Presets.Builder,
            com.google.cloud.vertexai.api.PresetsOrBuilder>
        getPresetsFieldBuilder() {
      if (presetsBuilder_ == null) {
        if (!(configCase_ == 4)) {
          config_ = com.google.cloud.vertexai.api.Presets.getDefaultInstance();
        }
        presetsBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.vertexai.api.Presets,
                com.google.cloud.vertexai.api.Presets.Builder,
                com.google.cloud.vertexai.api.PresetsOrBuilder>(
                (com.google.cloud.vertexai.api.Presets) config_, getParentForChildren(), isClean());
        config_ = null;
      }
      configCase_ = 4;
      onChanged();
      return presetsBuilder_;
    }
<pre>
Simplified preset configuration, which automatically sets configuration
values based on the desired query speed-precision trade-off and modality.
</pre>

<code>.google.cloud.vertexai.v1.Presets presets = 4;</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Examples.java