@NotNull
  public StubAwareComputation<Psi, CustomStub, Result> overStub(@NotNull Function<@Nullable CustomStub, Result> stubComputation) {
    return new StubAwareComputation<>(myConversion, stubComputation, myAstComputation, myAstStubLikeComputation, myStubBuilder);
  }
@NotNull
  public StubAwareComputation<Psi, CustomStub, Result> overStub(@NotNull Function<@Nullable CustomStub, Result> stubComputation)