return {
  'hrsh7th/nvim-cmp',
  event = { 'InsertEnter', 'CmdlineEnter' },
  dependencies = {
    'hrsh7th/cmp-nvim-lsp',
    'hrsh7th/cmp-buffer',
    'hrsh7th/cmp-path',
    'hrsh7th/cmp-cmdline',
    'petertriho/cmp-git',
    'onsails/lspkind-nvim',
    'L3MON4D3/LuaSnip',
    'saadparwaiz1/cmp_luasnip',
  },

  config = function()
    local cmp = require('cmp')
    local lspkind = require('lspkind')
    -- NO luasnip require here

    cmp.setup({
      snippet = {
        expand = function(args)
          require('luasnip').lsp_expand(args.body) -- lazy, only on snippet expand
        end,
      },
      mapping = cmp.mapping.preset.insert({
        ['<C-n>'] = cmp.mapping.select_next_item(),
        ['<C-p>'] = cmp.mapping.select_prev_item(),
        ['<C-b>'] = cmp.mapping.scroll_docs(-4),
        ['<C-f>'] = cmp.mapping.scroll_docs(4),
        ['<CR>'] = cmp.mapping.confirm({ select = false }),
        ['<Tab>'] = cmp.mapping(function(fallback)
          if cmp.visible() then
            cmp.select_next_item()
          else
            local luasnip = require('luasnip') -- lazy, only on keypress
            if luasnip.expand_or_jumpable() then
              luasnip.expand_or_jump()
            else
              fallback()
            end
          end
        end, { 'i', 's' }),
        ['<S-Tab>'] = cmp.mapping(function(fallback)
          if cmp.visible() then
            cmp.select_prev_item()
          else
            local luasnip = require('luasnip') -- lazy, only on keypress
            if luasnip.jumpable(-1) then
              luasnip.jump(-1)
            else
              fallback()
            end
          end
        end, { 'i', 's' }),
      }),
      sources = {
        { name = 'nvim_lsp', priority = 1000 },
        { name = 'luasnip', priority = 900 },
        { name = 'path', priority = 750 },
        {
          name = 'buffer',
          priority = 500,
          keyword_length = 5,
          max_item_count = 50,
          option = {
            get_bufnrs = function()
              return { vim.api.nvim_get_current_buf() } -- only index current buffer, not all open buffers
            end,
          },
        },
      },
      formatting = {
        fields = { 'abbr', 'kind', 'menu' },
        expandable_indicator = false,
        format = lspkind.cmp_format({
          mode = 'symbol_text',
          maxwidth = 50,
          ellipsis_char = '...',
          menu = {
            nvim_lsp = '[LSP]',
            luasnip = '[Snip]',
            buffer = '[Buffer]',
            path = '[Path]',
          },
        }),
      },
      window = {
        completion = cmp.config.window.bordered(),
        documentation = cmp.config.window.bordered(),
      },
      performance = {
        confirm_resolve_timeout = 100,
        max_view_entries = 20,
        debounce = 60,
        throttle = 30,
        fetching_timeout = 200,
      },
    })

    cmp.setup.filetype('gitcommit', { -- only once
      sources = {
        { name = 'git', priority = 900 },
        { name = 'buffer', keyword_length = 5 },
      },
    })

    local cmdline_mapping = cmp.mapping.preset.cmdline({
      ['<C-n>'] = { c = cmp.mapping.select_next_item() },
      ['<C-p>'] = { c = cmp.mapping.select_prev_item() },
      ['<Tab>'] = { c = cmp.mapping.select_next_item() },
      ['<S-Tab>'] = { c = cmp.mapping.select_prev_item() },
    })
    cmp.setup.cmdline({ '/', '?' }, {
      mapping = cmdline_mapping,
      sources = { { name = 'buffer', keyword_length = 5 } },
    })
    cmp.setup.cmdline(':', {
      mapping = cmdline_mapping,
      sources = {
        { name = 'path' },
        { name = 'cmdline' },
      },
      window = {
        documentation = cmp.config.window.bordered({
          winhighlight = 'Normal:Normal,FloatBorder:FloatBorder,CursorLine:Visual,Search:None',
          border = 'rounded',
        }),
      },
    })
  end,
}