return {
	-- snippets
	{
		"L3MON4D3/LuaSnip",
		version = "*",
		dependencies = { "rafamadriz/friendly-snippets" },
		config = function()
			require("luasnip.loaders.from_vscode").lazy_load()
		end,
	},

	-- completion
	{
		"saghen/blink.cmp",
		version = "*",
		dependencies = {
			"L3MON4D3/LuaSnip",
		},
		config = function()
			require("blink.cmp").setup({
				completion = {
					list = {
						selection = {
							preselect = false,
							auto_insert = true,
						},
					},
					documentation = {
						window = { border = "rounded" },
						auto_show = true,
						auto_show_delay_ms = 50,
					},
					menu = {
						border = "rounded",
					},
				},
				signature = {
					window = { border = "rounded" },
				},
				sources = {
					default = { "lsp", "path", "snippets", "buffer" },
					providers = {},
				},
				snippets = { preset = "luasnip" },
				keymap = {
					preset = "none",
					["<S-Tab>"] = { "select_prev", "snippet_backward", "fallback" },
					["<Tab>"] = { "select_next", "snippet_forward", "fallback" },
					["<CR>"] = { "accept", "fallback" },
					["<C-space>"] = { "hide", "show" },
					["<C-y>"] = { "show", "show_documentation", "hide_documentation" },
					["<C-u>"] = { "scroll_documentation_up", "fallback" },
					["<C-d>"] = { "scroll_documentation_down", "fallback" },
				},
			})
		end,
	},
}