return {
  'hrsh7th/nvim-cmp',
  branch = 'main',
  lazy = false,
  dependencies = {
    'neovim/nvim-lspconfig',
    'hrsh7th/cmp-nvim-lsp',
    'hrsh7th/cmp-buffer',
    'hrsh7th/cmp-path',
    'hrsh7th/cmp-cmdline',
    'L3MON4D3/LuaSnip',
    'saadparwaiz1/cmp_luasnip',
    'onsails/lspkind.nvim',
    'zbirenbaum/copilot-cmp',
    'hrsh7th/cmp-path',
    'dmitmel/cmp-cmdline-history',
    'hrsh7th/cmp-nvim-lsp-signature-help',
  },
  config = function()
    local t = function(str) return vim.api.nvim_replace_termcodes(str, true, true, true) end

    local cmp = require('cmp')
    local lspkind = require('lspkind')
    local luasnip = require('luasnip')
    lspkind.init({
      symbol_map = {
        Copilot = '',
      },
    })
    require('copilot_cmp').setup()

    cmp.setup({
      preselect = cmp.PreselectMode.None,
      snippet = {
        expand = function(args)
          require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
        end,
      },
      mapping = {
        ['<Up>'] = cmp.mapping(cmp.mapping.select_prev_item(), { 'i', 'c', 's' }),
        ['<Down>'] = cmp.mapping(cmp.mapping.select_next_item(), { 'i', 'c', 's' }),
        ['<C-p>'] = cmp.mapping(cmp.mapping.select_prev_item(), { 'i', 'c', 's' }),
        ['<C-n>'] = cmp.mapping(cmp.mapping.select_next_item(), { 'i', 'c', 's' }),
        ['<C-d>'] = cmp.mapping.scroll_docs(-4),
        ['<C-f>'] = cmp.mapping.scroll_docs(4),
        ['<C-Space>'] = cmp.mapping(cmp.mapping.complete(), { 'i', 'c', 's' }),
        ['<C-e>'] = cmp.mapping(cmp.mapping.close(), { 'i', 'c', 's' }),
        ['<CR>'] = cmp.mapping({
          i = function(fallback)
            if cmp.visible() and cmp.get_active_entry() then
              cmp.confirm({ behavior = cmp.ConfirmBehavior.Insert, select = false })
            else
              fallback()
            end
          end,
          c = cmp.mapping.confirm({ select = false }),
          s = cmp.mapping.confirm({ select = false }),
        }),
        ['<Tab>'] = cmp.mapping(function(fallback)
          if luasnip.expand_or_jumpable() then
            vim.api.nvim_feedkeys(t('<Plug>luasnip-expand-or-jump'), '', true)
          else
            fallback()
          end
        end, {
          'i',
          's',
        }),
        ['<S-Tab>'] = cmp.mapping(function(fallback)
          if luasnip.jumpable(-1) then
            vim.api.nvim_feedkeys(t('<Plug>luasnip-jump-prev'), '', true)
          else
            fallback()
          end
        end, { 'i', 's' }),
        ['<c-x>'] = cmp.mapping(
          cmp.mapping.complete({
            config = {
              sources = {
                {
                  name = 'cmdline_history',
                },
              },
            },
          }),
          { 'c' }
        ),
      },
      sources = cmp.config.sources({
        { name = 'copilot' },
        { name = 'nvim_lsp' },
        { name = 'nvim_lsp_signature_help' },
        { name = 'luasnip' },
        {
          name = 'buffer',
          option = {
            get_bufnrs = function() return vim.api.nvim_list_bufs() end,
          },
        },
        { name = 'path' },
      }),

      window = {
        documentation = {
          winhighlight = 'Normal:CmpDocumentation',
        },
        completion = {
          winhighlight = 'Normal:Pmenu,FloatBorder:Pmenu,Search:None',
          col_offset = -3,
          side_padding = 0,
        },
      },
      formatting = {
        fields = { 'kind', 'abbr', 'menu' },
        expandable_indicator = false,
        format = function(entry, vim_item)
          local kind = require('lspkind').cmp_format({ mode = 'symbol_text', maxwidth = 50, show_labelDetails = true })(entry, vim_item)
          local strings = vim.split(kind.kind, '%s', { trimempty = true })
          kind.kind = ' ' .. (strings[1] or '') .. ' '
          kind.menu = '    (' .. (strings[2] or '') .. ')'

          return kind
        end,
      },
    })

    -- Use buffer source for `/` and `?` (if you enabled `native_menu`, this won't work anymore).
    cmp.setup.cmdline({ '/', '?' }, {
      mapping = cmp.mapping.preset.cmdline(),
      sources = {
        { name = 'buffer' },
        { name = 'cmdline_history' },
        { name = 'path' },
        { name = 'buffer' },
      },
    })

    -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
    cmp.setup.cmdline(':', {
      mapping = cmp.mapping.preset.cmdline(),
      sources = {
        { name = 'cmdline', priority = 200 },
        { name = 'path', priority = 3 },
        { name = 'cmdline_history', priority = 3 },
        { name = 'buffer', priority = 3 },
      },
      matching = { disallow_symbol_nonprefix_matching = false },
    })
  end,
  enabled = false
}