Describes a complex validation rule which has a state.
'beforeValidation' can be used to set-up some data structures like a map,
in order to store some information which are calculated during 'validation',
which are finally evaluated in 'afterValidation'.
Describes a complex validation rule which has a state. 'beforeValidation' can be used to set-up some data structures like a map, in order to store some information which are calculated during 'validation', which are finally evaluated in 'afterValidation'.