{lib, ...}: {
  options.dendritic.users = lib.mkOption {
    type = lib.types.attrsOf (
      lib.types.submodule ({name, ...}: {
        options = {
          name = lib.mkOption {
            type = lib.types.str;
            default = name;
          };

          username = lib.mkOption {
            type = lib.types.str;
            default = name;
          };

          nixosModules = lib.mkOption {
            type = lib.types.listOf lib.types.deferredModule;
            default = [];
          };

          homeModules = lib.mkOption {
            type = lib.types.listOf lib.types.deferredModule;
            default = [];
          };

          homes = lib.mkOption {
            type = lib.types.attrsOf (
              lib.types.submodule ({name, ...}: {
                options = {
                  host = lib.mkOption {
                    type = lib.types.str;
                    default = name;
                  };

                  system = lib.mkOption {
                    type = lib.types.str;
                  };

                  stateVersion = lib.mkOption {
                    type = lib.types.str;
                    default = "25.05";
                  };

                  roles = lib.mkOption {
                    type = lib.types.listOf lib.types.str;
                    default = [];
                  };

                  extraModules = lib.mkOption {
                    type = lib.types.listOf lib.types.deferredModule;
                    default = [];
                  };
                };
              })
            );
            default = {};
          };
        };
      })
    );
    default = {};
  };
}