return {
  {
    "hrsh7th/nvim-cmp",
    event = "InsertEnter",
    dependencies = {
      "hrsh7th/cmp-nvim-lsp",

      "L3MON4D3/LuaSnip",
      "saadparwaiz1/cmp_luasnip",

      "hrsh7th/cmp-buffer",
      "hrsh7th/cmp-path",
      "hrsh7th/cmp-cmdline",
    },
    config = function()
      local cmp = require "cmp"
      local luasnip = require "luasnip"

      cmp.setup {
        snippet = {
          expand = function(args)
            luasnip.lsp_expand(args.body)
          end,
        },

        mapping = cmp.mapping.preset.insert {
          ["<C-Space>"] = cmp.mapping.complete(),
          ["<CR>"] = cmp.mapping.confirm { select = true },

          ["<Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
              cmp.select_next_item()
            elseif luasnip.expand_or_jumpable() then
              luasnip.expand_or_jump()
            else
              fallback()
            end
          end, { "i", "s" }),

          ["<S-Tab>"] = cmp.mapping(function(fallback)
            if cmp.visible() then
              cmp.select_prev_item()
            elseif luasnip.jumpable(-1) then
              luasnip.jump(-1)
            else
              fallback()
            end
          end, { "i", "s" }),
        },

        sources = cmp.config.sources {
          { name = "nvim_lsp" },
          { name = "luasnip" },
          { name = "path" },
          { name = "buffer" },
        },
      }

      cmp.setup.cmdline({ "/", "?" }, {
        mapping = cmp.mapping.preset.cmdline(),
        sources = { { name = "buffer" } },
      })

      cmp.setup.cmdline(":", {
        mapping = cmp.mapping.preset.cmdline(),
        sources = cmp.config.sources({ { name = "path" } }, { { name = "cmdline" } }),
      })
    end,
  },
}