return {

	{
		'neovim/nvim-lspconfig',
		opts = {
			capabilities = {
				textDocument = {
					foldingRange = {
						dynamicRegistration = false,
						lineFoldingOnly = true,
					},
				},
			},
		},
	},

	{
		'kevinhwang91/nvim-ufo',
		event = { 'BufReadPost', 'BufNewFile' },
		-- stylua: ignore
		keys = {
			{ 'zR', function() require('ufo').openAllFolds() end },
			{ 'zM', function() require('ufo').closeAllFolds() end },
			-- { 'zr', function() require('ufo').openFoldsExceptKinds() end },
			-- { 'zm', function() require('ufo').closeFoldsWith() end },
		},
		dependencies = {
			'kevinhwang91/promise-async',
			'nvim-treesitter/nvim-treesitter',
			'neovim/nvim-lspconfig',
		},
		opts = function()
			-- lsp->treesitter->indent
			---@param bufnr number
			---@return table
			local function customizeSelector(bufnr)
				local function handleFallbackException(err, providerName)
					if type(err) == 'string' and err:match('UfoFallbackException') then
						return require('ufo').getFolds(bufnr, providerName)
					else
						return require('promise').reject(err)
					end
				end

				return require('ufo')
					.getFolds(bufnr, 'lsp')
					:catch(function(err)
						return handleFallbackException(err, 'treesitter')
					end)
					:catch(function(err)
						return handleFallbackException(err, 'indent')
					end)
			end

			local ft_providers = {
				vim = 'indent',
				python = { 'indent' },
				git = '',
				help = '',
				qf = '',
				fugitive = '',
				fugitiveblame = '',
				['neo-tree'] = '',
			}

			return {
				open_fold_hl_timeout = 0,
				preview = {
					win_config = {
						border = { '', '─', '', '', '', '─', '', '' },
						winhighlight = 'Normal:Folded',
						winblend = 10,
					},
					mappings = {
						scrollU = '<C-u>',
						scrollD = '<C-d>',
						jumpTop = '[',
						jumpBot = ']',
					},
				},

				-- Select the fold provider.
				provider_selector = function(_, filetype, _)
					return ft_providers[filetype] or customizeSelector
				end,

				-- Display text for folded lines.
				---@param text table
				---@param lnum integer
				---@param endLnum integer
				---@param width integer
				---@return table
				fold_virt_text_handler = function(text, lnum, endLnum, width)
					local suffix = ' 󰇘 '
					local lines = (' 󰁂 %d '):format(endLnum - lnum)

					local cur_width = 0
					for _, section in ipairs(text) do
						cur_width = cur_width + vim.fn.strdisplaywidth(section[1])
					end

					suffix = suffix
						.. (' '):rep(width - cur_width - vim.fn.strdisplaywidth(lines) - 3)

					table.insert(text, { suffix, 'UfoFoldedEllipsis' })
					table.insert(text, { lines, 'Folded' })
					return text
				end,
			}
		end,
	},
}