* Revert "Remove mutation in `printBinaryishExpressions` (#1067)"
This reverts commit e7312ad7b2.
* Revert "Make it clear what parser was used in each snapshot (#1068)"
This reverts commit 4f7ae4815b.
* Group first arg for inline functions
* Group first arg. Unless there are comments.
* Group first arg. Allow second arg to be empty object/array.
This implementation has a side effect of disallowing empty objects/arrays in the should group last arg heuristic.