Internally these get converted into simpler Expected={} parameters, so
for now only `attribute_exists` and `attribute_not_exists` are supported;
OR is also not suported since `expected` does not support it.
Internally these get converted into simpler Expected={} parameters, so
for now only `attribute_exists` and `attribute_not_exists` are supported;
OR is also not suported since `expected` does not support it.