public static List<VarVersionPair> getSyntheticParametersMask(String className, String descriptor, int parameters) {
    ClassNode node = DecompilerContext.getClassProcessor().getMapRootClasses().get(className);
    return node != null ? getSyntheticParametersMask(node, descriptor, parameters) : null;
  }
public static List<VarVersionPair> getSyntheticParametersMask(String className, String descriptor, int parameters)