docs: private void clean(String theParamName, List<List<IQueryParameterType>> theAndOrParams) {
  		for (int andListIdx = 0; andListIdx < theAndOrParams.size(); andListIdx++) {
  			List<? extends IQueryParameterType> nextOrList = theAndOrParams.get(andListIdx);
  
  			for (int orListIdx = 0; orListIdx < nextOrList.size(); orListIdx++) {
  				IQueryParameterType nextOr = nextOrList.get(orListIdx);
  				boolean hasNoValue = false;
  				if (nextOr.getMissing() != null) {
  					continue;
  				}
  				if (nextOr instanceof QuantityParam) {
  					if (isBlank(((QuantityParam) nextOr).getValueAsString())) {
  						hasNoValue = true;
  					}
  				}
  
  				if (hasNoValue) {
  					ourLog.debug("Ignoring empty parameter: {}", theParamName);
  					nextOrList.remove(orListIdx);
  					orListIdx--;
  				}
  			}
  
  			if (nextOrList.isEmpty()) {
  				theAndOrParams.remove(andListIdx);
  				andListIdx--;
  			}
  		}
  	}