public static IConditionBuilder IsActiveSkill(this IMetaStatBuilders @this, Skill skill)
{
var activeSkillItemSlot = @this.ActiveSkillItemSlot(skill.Id);
var activeSkillSocketIndex = @this.ActiveSkillSocketIndex(skill.Id);
return(activeSkillItemSlot.Value.Eq((double)skill.ItemSlot)
.And(activeSkillSocketIndex.Value.Eq(skill.SocketIndex)));
}