return {

  -- auto completion
  {
    "hrsh7th/nvim-cmp",
    version = false, -- last release is way too old
    event = "InsertEnter",
    dependencies = {
      "hrsh7th/cmp-nvim-lsp",
      "hrsh7th/cmp-buffer",
      "hrsh7th/cmp-path",
    },
    -- Not all LSP servers add brackets when completing a function.
    -- To better deal with this, LazyVim adds a custom option to cmp,
    -- that you can configure. For example:
    --
    -- ```lua
    -- opts = {
    --   auto_brackets = { "python" }
    -- }
    -- ```

    opts = function()
      vim.api.nvim_set_hl(0, "CmpGhostText", { link = "Comment", default = true })
      local cmp = require("cmp")
      local defaults = require("cmp.config.default")()
      return {
        auto_brackets = {}, -- configure any filetype to auto add brackets
        completion = {
          completeopt = "menu,menuone,noinsert",
        },
        mapping = cmp.mapping.preset.insert({
          ["<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(),
          ["<CR>"] = LazyVim.cmp.confirm(),
          ["<S-CR>"] = LazyVim.cmp.confirm({ behavior = cmp.ConfirmBehavior.Replace }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
          ["<C-CR>"] = function(fallback)
            cmp.abort()
            fallback()
          end,
        }),
        sources = cmp.config.sources({
          { name = "nvim_lsp" },
          { name = "path" },
        }, {
          { name = "buffer" },
        }),
        formatting = {
          format = function(_, item)
            local icons = require("lazyvim.config").icons.kinds
            if icons[item.kind] then
              item.kind = icons[item.kind] .. item.kind
            end
            return item
          end,
        },
        experimental = {
          ghost_text = {
            hl_group = "CmpGhostText",
          },
        },
        sorting = defaults.sorting,
      }
    end,
    ---@param opts cmp.ConfigSchema | {auto_brackets?: string[]}
    config = function(_, opts)
      for _, source in ipairs(opts.sources) do
        source.group_index = source.group_index or 1
      end
      local cmp = require("cmp")
      cmp.setup(opts)
      cmp.event:on("confirm_done", function(event)
        if vim.tbl_contains(opts.auto_brackets or {}, vim.bo.filetype) then
          LazyVim.cmp.auto_brackets(event.entry)
        end
      end)
      cmp.event:on("menu_opened", function(event)
        LazyVim.cmp.add_missing_snippet_docs(event.window)
      end)
    end,
  },

  -- snippets
  vim.fn.has("nvim-0.10") == 1
      and {
        "nvim-cmp",
        dependencies = {
          { "rafamadriz/friendly-snippets" },
          { "garymjr/nvim-snippets", opts = { friendly_snippets = true } },
        },
        opts = function(_, opts)
          opts.snippet = {
            expand = function(item)
              return LazyVim.cmp.expand(item.body)
            end,
          }
          table.insert(opts.sources, { name = "snippets" })
        end,
        keys = {
          {
            "<Tab>",
            function()
              return vim.snippet.active({ direction = 1 }) and "<cmd>lua vim.snippet.jump(1)<cr>" or "<Tab>"
            end,
            expr = true,
            silent = true,
            mode = { "i", "s" },
          },
          {
            "<S-Tab>",
            function()
              return vim.snippet.active({ direction = -1 }) and "<cmd>lua vim.snippet.jump(-1)<cr>" or "<Tab>"
            end,
            expr = true,
            silent = true,
            mode = { "i", "s" },
          },
        },
      }
    or { import = "lazyvim.plugins.extras.coding.luasnip", enabled = vim.fn.has("nvim-0.10") == 0 },

  -- auto pairs
  {
    "echasnovski/mini.pairs",
    event = "VeryLazy",
    opts = {
      mappings = {
        ["`"] = { action = "closeopen", pair = "``", neigh_pattern = "[^\\`].", register = { cr = false } },
      },
    },
    keys = {
      {
        "<leader>up",
        function()
          vim.g.minipairs_disable = not vim.g.minipairs_disable
          if vim.g.minipairs_disable then
            LazyVim.warn("Disabled auto pairs", { title = "Option" })
          else
            LazyVim.info("Enabled auto pairs", { title = "Option" })
          end
        end,
        desc = "Toggle Auto Pairs",
      },
    },
  },

  -- comments
  {
    "JoosepAlviste/nvim-ts-context-commentstring",
    lazy = true,
    opts = {
      enable_autocmd = false,
    },
    init = function()
      if vim.fn.has("nvim-0.10") == 1 then
        vim.schedule(function()
          local get_option = vim.filetype.get_option
          vim.filetype.get_option = function(filetype, option)
            return option == "commentstring" and require("ts_context_commentstring.internal").calculate_commentstring()
              or get_option(filetype, option)
          end
        end)
      end
    end,
  },
  {
    import = "lazyvim.plugins.extras.coding.mini-comment",
    enabled = vim.fn.has("nvim-0.10") == 0,
  },

  -- Better text-objects
  {
    "echasnovski/mini.ai",
    event = "VeryLazy",
    opts = function()
      LazyVim.on_load("which-key.nvim", function()
        vim.schedule(LazyVim.mini.ai_whichkey)
      end)
      local ai = require("mini.ai")
      return {
        n_lines = 500,
        custom_textobjects = {
          o = ai.gen_spec.treesitter({ -- code block
            a = { "@block.outer", "@conditional.outer", "@loop.outer" },
            i = { "@block.inner", "@conditional.inner", "@loop.inner" },
          }),
          f = ai.gen_spec.treesitter({ a = "@function.outer", i = "@function.inner" }), -- function
          c = ai.gen_spec.treesitter({ a = "@class.outer", i = "@class.inner" }), -- class
          t = { "<([%p%w]-)%f[^<%w][^<>]->.-</%1>", "^<.->().*()</[^/]->$" }, -- tags
          d = { "%f[%d]%d+" }, -- digits
          e = { -- Word with case
            { "%u[%l%d]+%f[^%l%d]", "%f[%S][%l%d]+%f[^%l%d]", "%f[%P][%l%d]+%f[^%l%d]", "^[%l%d]+%f[^%l%d]" },
            "^().*()$",
          },
          i = LazyVim.mini.ai_indent, -- indent
          g = LazyVim.mini.ai_buffer, -- buffer
          u = ai.gen_spec.function_call(), -- u for "Usage"
          U = ai.gen_spec.function_call({ name_pattern = "[%w_]" }), -- without dot in function name
        },
      }
    end,
  },
}