Add a user-defined key mapping. `which` is a Mapping type, either Mapping.RECURSIVE for `:nmap` or Mapping.NON_RECURSIVE for `:nnoremap`). Some (but not all) vim-like key codes are supported to simplify things for the user: , , , , and . S
(args, which)
source not stored for this graph (policy: none)
no outgoing calls
no test coverage detected