return {
  "nvim-treesitter/nvim-treesitter",
  event = { "BufReadPre", "BufNewFile" },
  build = ":TSUpdate",
  dependencies = {
    "windwp/nvim-ts-autotag",
  },
  config = function()
    local treesitter = require("nvim-treesitter.configs")

    treesitter.setup({
      modules = {},
      ignore_install = { "" },
      sync_install = false,
      highlight = {
        enable = true,
      },
      indent = {
        enable = true,
      },
      autotag = { -- With nvim-ts-autotag plugin
        enable = true,
      },
      --[[
      rainbow = {
        enable = true,
        extended_mode = true,
        max_file_lines = nil,
      },
      --]]
      ensure_installed = {
        "rust",
        "go",
        "python",
        "ocaml",
        "json",
        "javascript",
        "typescript",
        "tsx",
        "yaml",
        "css",
        "lua",
        -- "mchat",
        -- { "mchat", "gsuuon/tree-sitter-mchat" },
        "toml",
      },
      auto_install = true,
      incremental_selection = {
        enable = true,
        keymaps = {
          init_selection = "<c-space>",
          node_incremental = "<c-space>",
          scope_incremental = false,
          node_decremental = "<bs>",
        },
      },
    })

    -- local parser_config = require("nvim-treesitter.parsers").get_parser_configs()
    -- parser_config.mchat = {
    --   install_info = {
    --     url = "~/.config/nvim/tree-sitter-mchat", -- local path or git repo
    --     files = { "src/parser.c" }, -- note that some parsers also require src/scanner.c or src/scanner.cc
    --     -- optional entries:
    --     branch = "main", -- default branch in case of git repo if different from master
    --     generate_requires_npm = false, -- if stand-alone parser without npm dependencies
    --     requires_generate_from_grammar = false, -- if folder contains pre-generated src/parser.c
    --   },
    --   -- filetype = "zu", -- if filetype does not match the parser name
    -- }

    vim.wo.foldmethod = "expr"
    vim.wo.foldexpr = "nvim_treesitter#foldexpr()"
    vim.wo.foldlevel = 9
  end,
}