{
  plugins = {
    cmp-emoji.enable = true;
    cmp-nvim-lsp.enable = true;
    cmp-buffer.enable = true;
    cmp-path.enable = true;
    cmp_luasnip.enable = true;
    cmp-cmdline.enable = false;
    cmp = {
      enable = true;
      settings = {
        autoEnableSources = true;
        experimental = {ghost_text = false;};
        performance = {
          debounce = 60;
          fetchingTimeout = 200;
          maxViewEntries = 30;
        };
        snippet = {expand = "luasnip";};
        formatting = {fields = ["kind" "abbr" "menu"];};
        sources = [
          {name = "git";}
          {name = "nvim_lsp";}
          {name = "emoji";}
          {
            name = "buffer"; # text within current buffer
            option.get_bufnrs.__raw = "vim.api.nvim_list_bufs";
            keywordLength = 3;
          }
          {
            name = "path"; # file system paths
            keywordLength = 3;
          }
          {
            name = "luasnip"; # snippets
            keywordLength = 3;
          }
        ];

        window = {
          completion = {border = "solid";};
          documentation = {border = "solid";};
        };

        mapping = {
          "<C-Tab>" =
            /*
            lua
            */
            "cmp.mapping(cmp.mapping.select_next_item(), {'i', 's'})";
          "<Down>" =
            /*
            lua
            */
            "cmp.mapping.select_next_item()";
          "<Up>" =
            /*
            lua
            */
            "cmp.mapping.select_prev_item()";
          "<C-e>" =
            /*
            lua
            */
            "cmp.mapping.abort()";
          "<C-b>" =
            /*
            lua
            */
            "cmp.mapping.scroll_docs(-4)";
          "<C-f>" =
            /*
            lua
            */
            "cmp.mapping.scroll_docs(4)";
          "<C-Space>" =
            /*
            lua
            */
            "cmp.mapping.complete()";
          "<CR>" =
            /*
            lua
            */
            "cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true })";
          "<TAB>" =
            /*
            lua
            */
            ''
              function(fallback)
                if cmp.visible() then
                  cmp.select_next_item()
                else
                  fallback()
                end
              end
            '';
          "<S-TAB>" =
            /*
            lua
            */
            ''
              function(fallback)
                if cmp.visible() then
                  cmp.select_prev_item()
                else
                  fallback()
                end
              end
            '';
        };
      };
    };
  };
}