return {
    "hrsh7th/nvim-cmp",
    dependencies = {
        "hrsh7th/cmp-cmdline",
        "hrsh7th/cmp-nvim-lsp-document-symbol",
        -- "hrsh7th/cmp-nvim-lsp-signature-help",
        { "lukas-reineke/cmp-rg", enabled = vim.fn.exepath "rg" ~= "" },
    },
    event = { "InsertEnter", "CmdlineEnter" },
    opts = function(_, opts)
        local cmp = require "cmp"

        if vim.fn.exepath "rg" ~= "" then
            table.insert(opts.sources, 3, { name = "rg" })
        end

        opts.preselect = cmp.PreselectMode.None

        opts.mapping = cmp.mapping.preset.insert {
            ["<cr>"] = function(fallback)
                cmp.abort()
                fallback()
            end,
            ["<c-cr>"] = cmp.mapping.confirm { select = true },
            ["<C-n>"] = cmp.mapping.select_next_item { behavior = cmp.SelectBehavior.Insert },
            ["<C-p>"] = cmp.mapping.select_prev_item { behavior = cmp.SelectBehavior.Insert },
            ["<C-b>"] = cmp.mapping.scroll_docs(-4),
            ["<C-f>"] = cmp.mapping.scroll_docs(4),
            ["<C-Space>"] = cmp.mapping.complete(),
            ["<C-e>"] = cmp.mapping.abort(),
            ["<S-CR>"] = cmp.mapping.confirm {
                behavior = cmp.ConfirmBehavior.Replace,
                select = true,
            }, -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
        }

        ---@diagnostic disable-next-line: missing-fields
        cmp.setup.cmdline(":", {
            mapping = cmp.mapping.preset.cmdline(),
            sources = cmp.config.sources {
                { name = "path" },
                {
                    name = "cmdline",
                    option = {
                        ignore_cmds = { "Man", "!" },
                    },
                },
            },
        })

        ---@diagnostic disable-next-line: missing-fields
        cmp.setup.cmdline("/", {
            mapping = cmp.mapping.preset.cmdline(),
            sources = cmp.config.sources {
                { name = "nvim_lsp_document_symbol" },
                { name = "buffer" },
            },
        })

        return opts
    end,
}