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OK, thanks.

Many of these changes I like, but:

1. I'm not at all a fan of getting rid of else everywhere. To me this just disrupts the symmetry of the code. I mean false and true are symmetric, why should true be more nested? I do, on the other hand, like the ?: operator, which feels more "functional" to me.
2. I have not generally been replacing everything with var. I'm usually just doing it for longer type names and especially generic types. I definitely don't want to go through the whole code base and replace primitives, String, Integer, and Object with var everywhere. That just doesn't buy us anything, really. So for consistency, I would prefer that we avoid var in those "trivial" cases.
3. I have not been writing instanceof final because it has too much tendency to make long if conditions even longer. For consistency across the code base, let's stick with just instanceof.

OK, thanks.

Many of these changes I like, but:

1. I'm not at all a fan of getting rid of else everywhere. To me this just disrupts the symmetry of the code. I mean false and true are symmetric, why should true be more nested? I do, on the other hand, like the ?: operator, which feels more "functional" to me.
2. I have not generally been replacing everything with var. I'm usually just doing it for longer type names and especially generic types. I definitely don't want to go through the whole code base and replace primitives, String, Integer, and Object with var everywhere. That just doesn't buy us anything, really. So for consistency, I would prefer that we avoid var in those "trivial" cases.
3. I have not been writing instanceof final because it has too much tendency to make long if conditions even longer. For consistency across the code base, let's stick with just instanceof.

Dear @gavinking ,

Thank you for the attention you gave to this PR and sorry for the extra mental load it might have caused.
I really appreciate your detailed feedback and I update the PR accordingly:

1. Restore the else blocks for clarity and symmetry.
2. Limit the use of var to cases where it improves readability ( I had noticed one of your commits titled "use more var", and I misunderstood it as a more general guideline. Thanks for clarifying the intended scope)
3. Avoid instanceof final and stick to plain instanceof for consistency.

Thanks @gavinking 🙏

Thank you @MoadElfatihi