How to use

BaseAndListParam

in

ca.uhn.fhir.rest.param

@SuppressWarnings({"rawtypes", "unchecked"})
private void addValueToList(List<Object> matchingParamValues, Object values) {
  if (values != null) {
    if (BaseAndListParam.class.isAssignableFrom(myParameterType) && matchingParamValues.size() > 0) {
      BaseAndListParam existing = (BaseAndListParam<?>) matchingParamValues.get(0);
      BaseAndListParam<?> newAndList = (BaseAndListParam<?>) values;
      for (IQueryParameterOr nextAnd : newAndList.getValuesAsQueryTokens()) {
        existing.addAnd(nextAnd);
      }
    } else {
      matchingParamValues.add(values);
    }
  }
}

@Override
public void setValuesAsQueryTokens(FhirContext theContext, String theParamName, List<QualifiedParamList> theParameters) throws InvalidRequestException {
  myValues.clear();
  for (QualifiedParamList nextParam : theParameters) {
    T nextList = newInstance();
    nextList.setValuesAsQueryTokens(theContext, theParamName, nextParam);
    myValues.add(nextList);
  }
}

@SuppressWarnings({"rawtypes", "unchecked"})
private void addValueToList(List<Object> matchingParamValues, Object values) {
  if (values != null) {
    if (BaseAndListParam.class.isAssignableFrom(myParameterType) && matchingParamValues.size() > 0) {
      BaseAndListParam existing = (BaseAndListParam<?>) matchingParamValues.get(0);
      BaseAndListParam<?> newAndList = (BaseAndListParam<?>) values;
      for (IQueryParameterOr nextAnd : newAndList.getValuesAsQueryTokens()) {
        existing.addAnd(nextAnd);
      }
    } else {
      matchingParamValues.add(values);
    }
  }
}

@Override
public void setValuesAsQueryTokens(FhirContext theContext, String theParamName, List<QualifiedParamList> theParameters) throws InvalidRequestException {
  myValues.clear();
  for (QualifiedParamList nextParam : theParameters) {
    T nextList = newInstance();
    nextList.setValuesAsQueryTokens(theContext, theParamName, nextParam);
    myValues.add(nextList);
  }
}