return {
	{ 'kevinhwang91/nvim-ufo',
		dependecies = 'kevinhwang91/promise-async' },
	config = function()
		vim.o.foldcolumn = '1' -- '0' is not bad
		vim.o.foldlevel = 99 -- Using ufo provider need a large value, feel free to decrease the value
		vim.o.foldlevelstart = 99
		vim.o.foldenable = true
		vim.opt.foldlevel = 20
		vim.opt.foldmethod = "expr"
		vim.opt.foldexpr = "nvim_treesitter#foldexpr()"

		-- Using ufo provider need remap `zR` and `zM`. If Neovim is 0.6.1, remap yourself
		vim.keymap.set('n', 'zR', require('ufo').openAllFolds)
		vim.keymap.set('n', 'zM', require('ufo').closeAllFolds)


		-- Option 2: nvim lsp as LSP client
		-- Tell the server the capability of foldingRange,
		-- Neovim hasn't added foldingRange to default capabilities, users must add it manually
		local capabilities = vim.lsp.protocol.make_client_capabilities()
		capabilities.textDocument.foldingRange = {
			dynamicRegistration = false,
			lineFoldingOnly = true
		}
		local language_servers = require("lspconfig").util.available_servers() -- or list servers manually like {'gopls', 'clangd'}
		for _, ls in ipairs(language_servers) do
			require('lspconfig')[ls].setup({
				capabilities = capabilities
				-- you can add other fields for setting up lsp server in this table
			})
		end
		require('ufo').setup()
		--
	end
}