in lib/core/filtering/filter_validator.rb [90:100]
def extract_simple_rule_validators(rule_validators, pre_processing_active)
return rule_validators if rule_validators.is_a?(Array)
common_validators = rule_validators[Core::Filtering::ProcessingStage::ALL] || []
pre_validators = rule_validators[Core::Filtering::ProcessingStage::PRE] || []
post_validators = rule_validators[Core::Filtering::ProcessingStage::POST] || []
pre_processing_active ? common_validators + pre_validators + post_validators : common_validators + post_validators
end