return {
  -- lspconfig
  {
    "neovim/nvim-lspconfig",
    event = { "BufReadPre", "BufNewFile" },
    dependencies = {
      { "folke/neoconf.nvim", dependencies = { "nvim-lspconfig" } },
      { "folke/neodev.nvim", opts = {} },
    },
    config = function()
      local lspconfig = require("lspconfig")
      local cmp_nvim_lsp = require("cmp_nvim_lsp")
      local keymap = vim.keymap

      local signs = { Error = " ", Warn = " ", Hint = "󰠠 ", Info = " " }
      for type, icon in pairs(signs) do
        local hl = "DiagnosticSign" .. type
        vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = "" })
      end

      local opts = { noremap = true, silent = true }
      local on_attach = function(client, bufnr)
        opts.buffer = bufnr

        -- set keybinds
        opts.desc = "Show LSP references"
        keymap.set("n", "gR", "<cmd>Telescope lsp_references<CR>", opts) -- show definition, references

        opts.desc = "Go to declaration"
        keymap.set("n", "gD", vim.lsp.buf.declaration, opts) -- go to declaration

        opts.desc = "Show LSP definitions"
        keymap.set("n", "gd", "<cmd>Telescope lsp_definitions<CR>", opts) -- show lsp definitions

        opts.desc = "Show LSP implementations"
        keymap.set("n", "gi", "<cmd>Telescope lsp_implementations<CR>", opts) -- show lsp implementations

        opts.desc = "Show LSP type definitions"
        keymap.set("n", "gt", "<cmd>Telescope lsp_type_definitions<CR>", opts) -- show lsp type definitions

        opts.desc = "See available code actions"
        keymap.set({ "n", "v" }, "<leader>ca", vim.lsp.buf.code_action, opts) -- see available code actions, in visual mode will apply to selection

        opts.desc = "Smart rename"
        keymap.set("n", "<leader>rn", vim.lsp.buf.rename, opts) -- smart rename

        opts.desc = "Show buffer diagnostics"
        keymap.set("n", "<leader>D", "<cmd>Telescope diagnostics bufnr=0<CR>", opts) -- show  diagnostics for file

        opts.desc = "Show line diagnostics"
        keymap.set("n", "<leader>d", vim.diagnostic.open_float, opts) -- show diagnostics for line

        opts.desc = "Go to previous diagnostic"
        keymap.set("n", "[d", vim.diagnostic.goto_prev, opts) -- jump to previous diagnostic in buffer

        opts.desc = "Go to next diagnostic"
        keymap.set("n", "]d", vim.diagnostic.goto_next, opts) -- jump to next diagnostic in buffer

        opts.desc = "Show documentation for what is under cursor"
        keymap.set("n", "K", vim.lsp.buf.hover, opts) -- show documentation for what is under cursor

        opts.desc = "Restart LSP"
        keymap.set("n", "<leader>rs", ":LspRestart<CR>", opts) -- mapping to restart lsp if necessary
      end

      local capabilities = cmp_nvim_lsp.default_capabilities()

      lspconfig["lua_ls"].setup({
        capabilities = capabilities,
        on_attach = on_attach,
      })
      lspconfig["hls"].setup({
        filetypes = { 'haskell', 'lhaskell', 'cabal' },
        capabilities = capabilities,
        on_attach = on_attach,
      })
      lspconfig["leanls"].setup({
        capabilities = capabilities,
        on_attach = on_attach,
      })
      lspconfig["bashls"].setup({
        capabilities = capabilities,
        on_attach = on_attach,
      })
      lspconfig["pyright"].setup({
        capabilities = capabilities,
        on_attach = on_attach,
      })
      lspconfig["ruff_lsp"].setup({
        capabilities = capabilities,
        on_attach = on_attach,
      })
      lspconfig["texlab"].setup({
        capabilities = capabilities,
        on_attach = on_attach,
      })
      lspconfig["nixd"].setup({
        capabilities = capabilities,
        on_attach = on_attach,
      })
      lspconfig["rust_analyzer"].setup({
        capabilities = capabilities,
        on_attach = on_attach,
      })
    end,
  },
}
