{pkgs, ...}: let
  inherit (pkgs.lib) fix mkOption types;

  coerceStrToKeymap = mapping: {
    inherit mapping;
    mode = ["n"];
  };

  typeOrListOf = t: with types; coercedTo t (e: [e]) (listOf t);

  modeType = types.enum ["n" "v" "s" "i" "o" "x"];
in
  fix (self: {
    module = types.submodule {
      options = {
        mode = mkOption {
          type = typeOrListOf modeType;
          default = "n";
          example = "v";
          description = ''
            The mode of the keymap.
          '';
        };

        mapping = mkOption {
          type = typeOrListOf types.str;
          example = "<C-n>";
          description = ''
            The actual keymap
          '';
        };
      };
    };

    option = mkOption {
      type = with types; listOf (coercedTo str coerceStrToKeymap self.module);
      default = [];
      description = ''
        List of keystrokes on which the plugin should be loaded
      '';
    };
  })