return {
	"hrsh7th/cmp-nvim-lsp",
	"hrsh7th/cmp-buffer",
	"hrsh7th/cmp-path",
	"hrsh7th/cmp-cmdline",
	{
		"L3MON4D3/LuaSnip",
		-- follow latest release.
		version = "v2.*", -- Replace <CurrentMajor> by the latest released major (first number of latest release)
		-- install jsregexp (optional!).
		build = "make install_jsregexp",
		dependencies = { "rafamadriz/friendly-snippets" },
	},
	"saadparwaiz1/cmp_luasnip",
	"rafamadriz/friendly-snippets",
	{
		"hrsh7th/nvim-cmp",
		config = function()
			vim.opt.completeopt = { "menu", "menuone", "noselect" }
			local cmp = require("cmp")
			local luasnip = require("luasnip")
			local select_opts = { behavior = cmp.SelectBehavior.Select }

			cmp.setup({
				snippet = {
					expand = function(args)
						luasnip.lsp_expand(args.body)
					end,
				},
				sources = {
					{ name = "path" },
					{ name = "nvim_lsp", keyword_length = 1 },
					{ name = "buffer", keyword_length = 3 },
					{ name = "luasnip", keyword_length = 2 },
				},
				window = {
					documentation = cmp.config.window.bordered(),
				},
				formatting = {
					fields = { "menu", "abbr", "kind" },
					format = function(entry, item)
						local menu_icon = {
							nvim_lsp = "λ",
							luasnip = "⋗",
							buffer = "Ω",
							path = "🖫",
						}

						item.menu = menu_icon[entry.source.name]
						return item
					end,
				},
				mapping = {
					["<Up>"] = cmp.mapping.select_prev_item(select_opts),
					["<Down>"] = cmp.mapping.select_next_item(select_opts),

					["<C-p>"] = cmp.mapping.select_prev_item(select_opts),
					["<C-n>"] = cmp.mapping.select_next_item(select_opts),

					["<C-u>"] = cmp.mapping.scroll_docs(-4),
					["<C-d>"] = cmp.mapping.scroll_docs(4),

					["<C-e>"] = cmp.mapping.abort(),
					["<C-y>"] = cmp.mapping.confirm({ select = true }),
					["<CR>"] = cmp.mapping.confirm({ select = false }),

					["<C-f>"] = cmp.mapping(function(fallback)
						if luasnip.jumpable(1) then
							luasnip.jump(1)
						else
							fallback()
						end
					end, { "i", "s" }),

					["<C-b>"] = cmp.mapping(function(fallback)
						if luasnip.jumpable(-1) then
							luasnip.jump(-1)
						else
							fallback()
						end
					end, { "i", "s" }),

					["<Tab>"] = cmp.mapping(function(fallback)
						local col = vim.fn.col(".") - 1

						if cmp.visible() then
							cmp.select_next_item(select_opts)
						elseif col == 0 or vim.fn.getline("."):sub(col, col):match("%s") then
							fallback()
						else
							cmp.complete()
						end
					end, { "i", "s" }),

					["<S-Tab>"] = cmp.mapping(function(fallback)
						if cmp.visible() then
							cmp.select_prev_item(select_opts)
						else
							fallback()
						end
					end, { "i", "s" }),
				},
			})
		end,
	},
}