return {
  "mason-org/mason-lspconfig.nvim",
  opts = {},
  dependencies = {
    { "mason-org/mason.nvim", opts = {} },
    {
      "neovim/nvim-lspconfig",
      config = function()
        vim.api.nvim_create_autocmd('LspAttach', {
          group = vim.api.nvim_create_augroup('UserLspConfig', {}),
          callback = function(ev)
            -- Enable completion triggered by <c-x><c-o>
            vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'

            -- Buffer local mappings.
            -- See `:help vim.lsp.*` for documentation on any of the below functions
            local opts = { buffer = ev.buf }
            vim.keymap.set('n', '<leader>le', vim.diagnostic.open_float)
            vim.keymap.set('n', '<leader>ln', vim.diagnostic.goto_next)
            vim.keymap.set('n', '<leader>lN', vim.diagnostic.goto_prev)
            vim.keymap.set('n', '<leader>lj', vim.diagnostic.setloclist)

            vim.keymap.set('n', '<leader>lD', vim.lsp.buf.declaration, opts)
            vim.keymap.set('n', '<leader>ld', vim.lsp.buf.definition, opts)
            vim.keymap.set('n', '<leader>lk', vim.lsp.buf.hover, opts)
            vim.keymap.set('n', '<leader>li', vim.lsp.buf.implementation, opts)
            --vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
            --vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts)
            --vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts)
            --vim.keymap.set('n', '<space>wl', function()
            --  print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
            --end, opts)
            vim.keymap.set('n', '<leader>lt', vim.lsp.buf.type_definition, opts)
            vim.keymap.set('n', '<leader>lR', vim.lsp.buf.rename, opts)
            vim.keymap.set({ 'n', 'v' }, '<leader>la', vim.lsp.buf.code_action, opts)
            vim.keymap.set('n', '<leader>lr', vim.lsp.buf.references, opts)
            vim.keymap.set('n', '<space>lf', function()
              vim.lsp.buf.format { async = true }
            end, opts)
          end,
        })
      end
    },
  }
}