function I3SStatistics(dataProvider, uri) {
  this._dataProvider = dataProvider;

  this._resource = new Resource({ url: uri });
  this._resource.setQueryParameters(dataProvider.resource.queryParameters);
  this._resource.appendForwardSlash();
}
This class implements an I3S statistics for Building Scene Layer.
<p>
Do not construct this directly, instead access statistics through {@link I3SDataProvider}.
</p>
@alias I3SStatistics
@internalConstructor