ReadonlyaReadonlybReadonlyconditionReadonlyparentReadonlyregionReadonlytopReadonlyvalidatortrue if this takes a forgiving selector list (:is/where/has)
true unless this is :where()
ProtectedinsertProtectedmaketrue unless this is :not()
For relational pseudo-class :has() support
true if this is :has()
The name of the function taking a selector list as argument
Optionalparams: (string | number)[]Optional parameters (e.g., [a, b] for nth-child(An+B of S))
Cascade Parser Handler for :nth-child(An+B of S) pseudo-class parameter