throw new IllegalArgumentException("Active region walker " + this.walker + " requested extended events but not " +
"non-primary reads, an inconsistent state. Please modify the walker");
}
ActiveRegionTraversalParameters annotation = walker.getClass().getAnnotation(ActiveRegionTraversalParameters.class);
this.activeRegionExtension = this.walker.activeRegionExtension == null ? annotation.extension() : this.walker.activeRegionExtension;
this.maxRegionSize = this.walker.activeRegionMaxSize == null ? annotation.maxRegion() : this.walker.activeRegionMaxSize;
this.minRegionSize = annotation.minRegion();
final double bandPassSigma = this.walker.bandPassSigma == null ? annotation.bandPassSigma() : this.walker.bandPassSigma;
walkerHasPresetRegions = this.walker.hasPresetActiveRegions();