public String getFieldDesc(String s, boolean flattening_tuples) {
    if (s == null) return s;
    s = Naming.demangleFortressDescriptor(s);

    StringBuilder b = new StringBuilder();
    maybeVarInTypeDesc(s, 0, b, flattening_tuples);

    s = b.toString();

    return s;
  }
  public String getMethodDesc(String s) {
    if (s == null) return s;
    s = Naming.demangleFortressDescriptor(s);

    StringBuilder b = new StringBuilder();
    maybeVarInMethodSig(s, 0, b);

    s = b.toString();

    return s;
  }