return {
  {
    "hrsh7th/nvim-cmp",
    event = "InsertEnter",
    dependencies = {
      "hrsh7th/cmp-nvim-lsp",
      "hrsh7th/cmp-buffer",
    },
    opts = function()
      local cmp = require 'cmp'
      return {
        snippet = {
        expand = function(args)
          vim.snippet.expand(args.body)
        end,
        },
        window = {
          completion = cmp.config.window.bordered(),
        },
        mapping = cmp.mapping.preset.insert({
          ['<C-Space>'] = cmp.mapping.complete(),
          ['<C-e>'] = cmp.mapping.abort(),
          ['<CR>'] = cmp.mapping.confirm({ select = true }),
        }),
        sources = cmp.config.sources({
          { name = 'nvim_lsp' },
          { name = 'buffer' },
          { name = 'lazydev', group_index = 0 }
        }),
      }
    end,
  }
}