if (retType != null &&
!retType.isEmptyType() && // There is no annotation for the empty type.
!funType.isInterface() && // Interfaces never return a value.
!(funType.isConstructor() && retType.isVoidType())) {
sb.append(" * ");
appendAnnotation(sb, "return", retType.toAnnotationString());
sb.append("\n");
}
// Constructor/interface
if (funType.isConstructor() || funType.isInterface()) {