The Shibboleth IdP V4 software will leave support on September 1, 2024.

NOTPredicate

shibboleth.Conditions.NOT negates/reverses the supplied Predicate.

shibboleth.BiConditions.NOT 4.1 negates/reverses the supplied BiPredicate.

It is an abstract bean so requires a bean as a constructor argument.

Examples can be found here.