nix-community.nixvim/tests/test-sources/modules/clipboard.nix

{
  example-with-str = {
    clipboard = {
      register = "unnamed";

      providers.xclip.enable = true;
    };
  };

  example-with-package = {
    clipboard = {
      register = [
        "unnamed"
        "unnamedplus"
      ];

      providers.xsel.enable = true;
    };
  };
}