public MultiUri build() {
      return new MultiUri(this);
    }
Data class to enable using functionality of {@link
com.facebook.datasource.IncreasingQualityDataSourceSupplier} and/or {@link
com.facebook.datasource.FirstAvailableDataSourceSupplier} with Vito
imagepipeline/src/main/java/com/facebook/imagepipeline/multiuri/MultiUri.java