@java.lang.Override
  public com.google.protobuf.ValueOrBuilder getDefaultOrBuilder() {
    return default_ == null ? com.google.protobuf.Value.getDefaultInstance() : default_;
  }
<pre>
Optional. Default value of the data.
</pre>

<code>.google.protobuf.Value default = 23 [(.google.api.field_behavior) = OPTIONAL];</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java