return {
  'yaocccc/nvim-hl-mdcodeblock.lua',
  dependencies = { 'nvim-treesitter/nvim-treesitter' },
  config = function()
    require('hl-mdcodeblock').setup({
      hl_group = "MDCodeBlock",   -- default highlight group
      events = {                  -- refresh event
        "FileChangedShellPost",
        "Syntax",
        "TextChanged",
        "TextChangedI",
        "InsertLeave",
        "WinScrolled",
        "BufEnter",
      },
      padding_right = 4,          -- always append 4 space at lineend
      timer_delay = 20,           -- refresh delay(ms)
      query_by_ft = {             -- special parser query by filetype
        markdown = {            -- filetype
          'markdown',         -- parser
          '(fenced_code_block) @codeblock', -- query
        },
        rmd = {                 -- filetype
          'markdown',         -- parser
          '(fenced_code_block) @codeblock', -- query
        },
      },
      minumum_len = 100,          -- minimum len to highlight (number | function)
      -- minumum_len = function () return math.max(math.floor(vim.api.nvim_win_get_width(0) * 0.8), 100) end
    })
  end,
}