/** Scaler to use for the "A" part of A/B comparisons */
Scaler const * _reference_scaler;
/** Filters to use for the "A" part of A/B comparisons */
/** Scaler to use for the "A" part of A/B comparisons */
Scaler const * _reference_scaler;
/** Filters to use for the "A" part of A/B comparisons */