return {
    "hrsh7th/nvim-cmp",
    dependencies = {
        "hrsh7th/cmp-nvim-lsp",
        "hrsh7th/cmp-buffer",
        "hrsh7th/cmp-path",
        "hrsh7th/cmp-cmdline",
        "onsails/lspkind.nvim",
    },
    config = function()
        require("lspkind").init({})
        vim.opt.completeopt = { "menu", "menuone", "noselect", "preview" }
        local cmp = require('cmp')
        local lspkind = require("lspkind")
        cmp.setup({
            formatting = {
                format = lspkind.cmp_format({
                    mode = 'symbol',
                    maxwidth = 60,
                    ellipsis_char = '...',
                    show_labelDetails = true,
                }),
            },
            snippet = {
                expand = function(args)
                    require('luasnip').lsp_expand(args.body)
                end,
            },
            mapping = cmp.mapping.preset.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(),
                ['<C-y>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
            }),
            sources = cmp.config.sources({
                { name = 'nvim_lsp', keyword_length = 1 },
                { name = 'luasnip' },
                { name = 'path' },
                { name = 'buffer',   keyword_length = 2 },
            }),
            window = {
                documentation = cmp.config.window.bordered()
            },

        })

        -- Set configuration for specific filetype.
        cmp.setup.filetype('gitcommit', {
            sources = cmp.config.sources({
                { name = 'git' }, -- You can specify the `git` source if [you were installed it](https://github.com/petertriho/cmp-git).
            }, {
                { name = 'buffer' },
            })
        })

        cmp.setup.filetype({ "sql" }, {
            sources = {
                { name = "vim-dadbod-completion" },
                { name = "buffer" },
            }
        })
        -- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
        -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
        cmp.setup.cmdline(':', {
            mapping = cmp.mapping.preset.cmdline(),
            sources = cmp.config.sources({
                { name = 'path' },
                { name = 'buffer' }
            }, {
                { name = 'cmdline' }
            }),
            matching = { disallow_symbol_nonprefix_matching = false }
        })
    end
}