return {
    {
        "L3MON4D3/LuaSnip",
        build = "make install_jsregexp"
    },
    {
        "hrsh7th/nvim-cmp",
        dependencies = {
            "hrsh7th/cmp-buffer", "hrsh7th/cmp-nvim-lsp",
            "L3MON4D3/LuaSnip", "rafamadriz/friendly-snippets",
            'hrsh7th/cmp-nvim-lua', 'hrsh7th/cmp-path',
            'hrsh7th/cmp-calc', 'hrsh7th/cmp-cmdline', 'f3fora/cmp-spell',
        },
        config = function()
            local cmp = require("cmp")
            local luasnip = require('luasnip')

            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 = {
                    completion = cmp.config.window.bordered(),
                    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-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' }),
                }
            })

            cmp.setup.cmdline({ '/', '?' }, {
                mapping = cmp.mapping.preset.cmdline(),
                sources = {
                    { name = 'buffer' }
                }
            })

            -- to select something in the cmdline need to use <C-n>
            cmp.setup.cmdline(':', {
                mapping = cmp.mapping.preset.cmdline(),
                sources = cmp.config.sources({
                    { name = 'path' }
                }, {
                    { name = 'cmdline' }
                }),
                matching = { disallow_symbol_nonprefix_matching = false }
            })
        end,
    } }