return {
  { "folke/neodev.nvim", lazy = true, opts = {} },

  {
    "nvim-treesitter/nvim-treesitter",
    opts = function(_, opts)
      if type(opts) == "table" then
        opts.ensure_installed = opts.ensure_installed or {}
        vim.list_extend(opts.ensure_installed, { "lua" })
      end
    end,
  },

  {
    "jose-elias-alvarez/null-ls.nvim",
    opts = function(_, opts)
      if type(opts) == "table" then
        opts.sources = opts.sources or {}
        local null_ls = require("null-ls")
        vim.list_extend(opts.sources, {
          null_ls.builtins.diagnostics.selene,
          null_ls.builtins.formatting.stylua,
        })
      end
    end,
  },

  {
    "neovim/nvim-lspconfig",
    opts = function(_, opts)
      if type(opts) == "table" then
        opts.servers = opts.servers or {}
        opts.on_attach = opts.on_attach or {}
        opts.servers.lua_ls = {
          on_attach = function(client, _)
            client.server_capabilities.documentFormattingProvider = false
            client.server_capabilities.documentRangeFormattingProvider = false
          end,
        }
      end
    end,
    dependencies = {
      "folke/neodev.nvim",
    },
  },
}