registerRuleTestType

open fun <T : RuleTest> ~~registerRuleTestType~~(name: String, ruleTestType: RuleTestType<T>): RuleTestType<T>

open fun <T : RuleTest> ~~registerRuleTestType~~(name: String, codec: MapCodec<T>): RuleTestType<T>

All registration functions have been moved to the Addon class.