return {
  "neovim/nvim-lspconfig",
  dependencies = {
    "hrsh7th/nvim-cmp",
    "hrsh7th/cmp-nvim-lsp",
    "hrsh7th/cmp-buffer",
  },
  lazy = false,
  config = function()
    local nvim_lsp = require("lspconfig")
    local capabilities = require('cmp_nvim_lsp').default_capabilities()

    local cmp = require("cmp")
    cmp.setup({
      expand = function ()
        require("cmp.config").set_onetime({ sources = {} })
      end,
      window = {
        completion = cmp.config.window.bordered(),
        documentation = cmp.config.window.bordered()
      },
      sources = {
        { name = "path" },
        { name = "nvim_lsp" },
        { name = "buffer" }
      },
      formatting = {
        fields = {"menu", "abbr", "kind"},
        format = function(entry, item)
          local menu_icon = {
            nvim_lsp = 'λ',
            buffer = 'Ω',
            path = '⊏',
          }

          item.menu = menu_icon[entry.source.name]
          return item
        end
      },
      mapping = cmp.mapping.preset.insert({
        ["<Tab>"] = cmp.mapping(function(fallback)
          if cmp.visible() then
            local entry = cmp.get_selected_entry()
            if not entry then
              cmp.select_next_item({ behavior = cmp.SelectBehavior.Select })
            end
            cmp.confirm()
          else
            fallback()
          end
        end, {"i","s","c",}),
      })
    })

    nvim_lsp.lua_ls.setup({
      capabilities = capabilities,
      settings = {
        Lua = {
          diagnostics = {
            globals = { 'vim' },
          },
          workspace = {
            library = vim.api.nvim_get_runtime_file("", true),
            checkThirdParty = false
          },
        },
      },
    })

    nvim_lsp.ts_ls.setup({
      capabilities = capabilities
    })
  end
}