addEffect

open override fun addEffect(effectInstance: MobEffectInstance, cause: EntityPotionEffectEvent.Cause): Boolean
open override fun addEffect(effectInstance: MobEffectInstance, entity: Entity?): Boolean
open override fun addEffect(effectInstance: MobEffectInstance, entity: Entity?, cause: EntityPotionEffectEvent.Cause): Boolean
open override fun addEffect(effectInstance: MobEffectInstance, entity: Entity?, cause: EntityPotionEffectEvent.Cause, fireEvent: Boolean): Boolean