private boolean[] detectRemovedParameters(final PsiTypeParameter[] original) {
    final boolean[] toRemove = new boolean[original.length];
    Arrays.fill(toRemove, true);
    for (final TypeParameterInfo info : myNewSignature) {
      if (info instanceof Existing) {
        toRemove[((Existing)info).getParameterIndex()] = false;
      }
    }
    return toRemove;
  }
private boolean[] detectRemovedParameters(final PsiTypeParameter[] original)