return { -- Autocompletion
    "hrsh7th/nvim-cmp",
    event = "InsertEnter",
    dependencies = {
        "L3MON4D3/LuaSnip",
        "saadparwaiz1/cmp_luasnip",
        "hrsh7th/cmp-nvim-lsp",
        "hrsh7th/cmp-buffer",
        "hrsh7th/cmp-path",
    },
    config = function()
        -- See `:help cmp`
        local cmp = require("cmp")
        local luasnip = require("luasnip")
        luasnip.config.setup({})
        cmp.setup({
            snippet = {
                expand = function(args)
                    luasnip.lsp_expand(args.body)
                end,
            },
            window = {
                completion = cmp.config.window.bordered(),
                documentation = cmp.config.window.bordered(),
            },

            completion = { completeopt = "menu,menuone,noinsert" },

            -- For an understanding of why these mappings were
            -- chosen, you will need to read `:help ins-completion`
            --
            -- No, but seriously. Please read `:help ins-completion`, it is really good!
            mapping = cmp.mapping.preset.insert({
                -- Select the [n]ext item
                ["<C-n>"] = cmp.mapping.select_next_item(),
                -- Select the [p]revious item
                ["<C-p>"] = cmp.mapping.select_prev_item(),

                -- Scroll the documentation window [b]ack / [f]orward
                ["<C-b>"] = cmp.mapping.scroll_docs(-4),
                ["<C-f>"] = cmp.mapping.scroll_docs(4),

                -- Accept ([y]es) the completion.
                --  This will auto-import if your LSP supports it.
                --  This will expand snippets if the LSP sent a snippet.
                ["<C-y>"] = cmp.mapping.confirm({ select = true }),

                -- If you prefer more traditional completion keymaps,
                -- you can uncomment the following lines
                -- ["<CR>"] = cmp.mapping.confirm({ select = true }),
                --['<Tab>'] = cmp.mapping.select_next_item(),
                --['<S-Tab>'] = cmp.mapping.select_prev_item(),

                -- Manually trigger a completion from nvim-cmp. Generally you don't need this, because nvim-cmp will display
                --  completions whenever it has completion options available.
                -- ["<C-y>"] = cmp.mapping.complete({}),

                -- Think of <c-l> as moving to the right of your snippet expansion.
                --  So if you have a snippet that's like:
                --  function $name($args)
                --    $body
                --  end
                --
                -- <c-l> will move you to the right of each of the expansion locations.
                -- <c-h> is similar, except moving you backwards.
                ["<C-l>"] = cmp.mapping(function()
                    if luasnip.expand_or_locally_jumpable() then
                        luasnip.expand_or_jump()
                    end
                end, { "i", "s" }),
                ["<C-h>"] = cmp.mapping(function()
                    if luasnip.locally_jumpable(-1) then
                        luasnip.jump(-1)
                    end
                end, { "i", "s" }),
                ["<C-e>"] = cmp.mapping(function()
                    if luasnip.choice_active() then
                        luasnip.change_choice(1)
                    end
                end, { "i", "s" }),

                -- For more advanced Luasnip keymaps (e.g. selecting choice nodes, expansion) see:
                --    https://github.com/L3MON4D3/LuaSnip?tab=readme-ov-file#keymaps
            }),
            sources = cmp.config.sources({
                { name = "luasnip" }, -- snippets
                { name = "buffer" }, -- text within current buffer
                { name = "path" }, -- file system paths
                { name = "nvim_lsp" }, -- lsp
            }),
        })
    end,
}
