return {
   {
      "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.formatting.zigfmt,
            })
         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.zls = {
               on_attach = function(client, _)
                  client.server_capabilities.documentFormattingProvider = false
                  client.server_capabilities.documentRangeFormattingProvider =
                     false
               end,
            }
         end
      end,
   },
}