Alexander Makarov

That's rather controversial. Builder should be fine but in the variant provided above it's indeed, more complicated than current config.

I guess we need proof of concept...

That is already in since columns are defined as an array of `ColumnInterface`.

Probably yes.

Current page sorting could be useful if page has lots of results but such behavior logically conflicts with overall re-sorting.

@yiisoft/core-developers need more opinions.

Hmm... any thoughts about how to achieve it w/o `Sort` doing `Pagination` job?

Changed milestone to 2.1 since it's not critical for 2.0 release.

No.

Page size?