https://github.com/neoclide/coc.nvim#example-vim-configuration [[lazy.nvim]]の設定。 ```lua keys = { { "<down>", [[coc#pum#visible() ? coc#pum#next(1) : "<down>"]], mode = "i", expr = true, replace_keycodes = false }, { "<up>", [[coc#pum#visible() ? coc#pum#prev(1): "<up>"]], mode = "i", expr = true, replace_keycodes = false } } ```