private com.google.protobuf.SingleFieldBuilderV3<
            com.google.protobuf.Value,
            com.google.protobuf.Value.Builder,
            com.google.protobuf.ValueOrBuilder>
        getExampleFieldBuilder() {
      if (exampleBuilder_ == null) {
        exampleBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.protobuf.Value,
                com.google.protobuf.Value.Builder,
                com.google.protobuf.ValueOrBuilder>(
                getExample(), getParentForChildren(), isClean());
        example_ = null;
      }
      return exampleBuilder_;
    }
<pre>
Optional. Example of the object. Will only populated when the object is the
root.
</pre>

<code>.google.protobuf.Value example = 4 [(.google.api.field_behavior) = OPTIONAL];</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java