return {
  'karb94/neoscroll.nvim',
  config = function()
    local neoscroll = require 'neoscroll'
    neoscroll.setup {
      mappings = {
        '<C-u>',
        '<C-d>',
        '<C-b>',
        '<C-f>',
        'zt',
        'zz',
        'zb',
      },
      easing = 'quadratic',
    }

    local keymap = {
      ['<C-u>'] = function()
        neoscroll.ctrl_u { duration = 100 }
      end,
      ['<C-d>'] = function()
        neoscroll.ctrl_d { duration = 100 }
      end,
      ['<C-b>'] = function()
        neoscroll.ctrl_b { duration = 100 }
      end,
      ['<C-f>'] = function()
        neoscroll.ctrl_f { duration = 100 }
      end,
      ['zt'] = function()
        neoscroll.zt { half_win_duration = 150 }
      end,
      ['zz'] = function()
        neoscroll.zz { half_win_duration = 150 }
      end,
      ['zb'] = function()
        neoscroll.zb { half_win_duration = 150 }
      end,
    }
    local modes = { 'n', 'v', 'x' }
    for key, func in pairs(keymap) do
      vim.keymap.set(modes, key, func)
    end
  end,
}