More or less a copy of [xi_rope::rope::ChunkIter], but traversing the ropes chunks in reverse order. Note** that the chunks contents are still ordered

Base session type for a connection to the main stew system. This can be cloned to get another handle to the same session.

A view represents a part of a [crate::buffer::Buffer] that is shown by a client.

Boundaries are always between chars: in `"foo bar"`, there is an `End`-boundary at index 3 (`"foo| bar"`), as well as a `Start`-boundary at index 4 (`