code: @Override
  	public void setFilterGroup(ExclusionCaptureFilterGroup filterGroup) {
  		super.setFilterGroup(filterGroup);
  		if ((filterGroup != null) && (filterGroup.getCaptureFilterGroupCanonicalizer() != null)) {
  			this.canonicalizer = filterGroup.getCaptureFilterGroupCanonicalizer();
  		}
  	}
docs: Set the canonicalizer from the filter, as it may be different from the default