{
  plugins = {
    cmp = {
      enable = true;
      settings = {
        sources = [
          { name = "nvim_lsp"; }
          {
            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;
          }
        ];
        mapping = {
          "<Tab>" = "cmp.mapping(cmp.mapping.select_next_item(), {'i', 's'})";
          "<C-j>" = "cmp.mapping.select_next_item()";
          "<C-k>" = "cmp.mapping.select_prev_item()";
          "<C-e>" = "cmp.mapping.abort()";
          "<C-b>" = "cmp.mapping.scroll_docs(-4)";
          "<C-f>" = "cmp.mapping.scroll_docs(4)";
          "<C-Space>" = "cmp.mapping.complete()";
          "<CR>" = "cmp.mapping.confirm({ select = true })";
          "<S-CR>" = "cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true })";
        };
      };
    };
    cmp-nvim-lsp.enable = true;
    cmp-path.enable = true;
    cmp-buffer.enable = true;
  };
  keymaps = [
    # Need to map macro recording to another key due to:
    # https://github.com/hrsh7th/nvim-cmp/issues/1692
    {
      mode = [ "n" ];
      key = "<leader>q";
      action = "q";
      options = {
        noremap = true;
        silent = true;
      };
    }
    {
      mode = [ "n" ];
      key = "q";
      action = "<Nop>";
      options = {
        noremap = true;
        silent = true;
      };
    }
  ];
}