return {
  "AstroNvim/astrocore",
  opts = {
    features = {
      max_file = { size = 1024 * 100, lines = 10000 }, -- set global limits for large files for disabling features like treesitter
      autopairs = true, -- enable autopairs at start
      cmp = true, -- enable completion at start
      highlighturl = true, -- highlight URLs at start
      notifications = true, -- enable notifications at start
    },
    -- Mapping data with "desc" stored directly by vim.keymap.set().
    --
    -- Please use this mappings table to set keyboard mapping since this is the
    -- lower level configuration and more robust one. (which-key will
    -- automatically pick-up stored data by this setting.)
    mappings = {
      -- first key is the mode
      n = {
        -- second key is the lefthand side of the map
        -- mappings seen under group name "Buffer"
        ["<leader>bn"] = { "<cmd>tabnew<cr>", desc = "New tab" },
        ["<leader>bD"] = {
          function()
            require("astronvim.utils.status").heirline.buffer_picker(
              function(bufnr) require("astronvim.utils.buffer").close(bufnr) end
            )
          end,
          desc = "Pick to close",
        },
        -- tables with just a `desc` key will be registered with which-key if it's installed
        -- this is useful for naming menus
        ["<leader>b"] = { desc = "Buffers" },
        -- quick save
        -- ["<C-s>"] = { ":w!<cr>", desc = "Save File" },  -- change description but the same command
      },
      t = {
        -- setting a mapping to false will disable it
        -- ["<esc>"] = false,
      },
    },
  },
}