assertlib.assertMsg(builtins.hasAttrvariantvariants)"gmic-qt variant “${variant}” is not supported. Please use one of ${lib.concatStringsSep", "(builtins.attrNamesvariants)}.";
assertlib.assertMsg
(builtins.hasAttrvariantvariants)
"gmic-qt variant \"${variant}\" is not supported. Please use one of ${lib.concatStringsSep", "(builtins.attrNamesvariants)}.";
assertlib.assertMsg(builtins.all(d:d!=null)variants.${variant}.extraDepsor[])"gmic-qt variant “${variant}” is missing one of its dependencies.";