return {
  {
    'nvim-treesitter/nvim-treesitter',
    opts = { ensure_installed = { 'twig' } },
  },
  {
    'williamboman/mason.nvim',
    opts = {
      ensure_installed = {
        'twiggy-language-server',
        'twigcs',
        'twig-cs-fixer',
      },
    },
  },
  {
    'nvimtools/none-ls.nvim',
    optional = true,
    opts = function(_, opts)
      local nls = require('null-ls')
      opts.sources = opts.sources or {}
      table.insert(opts.sources, nls.builtins.diagnostics.twigcs)
      -- Twig-CS-Fixer builtin not available in none-ls
    end,
  },
  {
    'mfussenegger/nvim-lint',
    optional = true,
    opts = {
      linters_by_ft = {
        twig = { 'twigcs' },
      },
    },
  },
  {
    'stevearc/conform.nvim',
    optional = true,
    opts = {
      formatters_by_ft = {
        twig = { 'twig-cs-fixer' },
      },
    },
  },
}