Can be referenced using either TeamUpgradeType.BED_DEFENSE_I or "bed_defense_i"
TeamUpgradeType
/** Iron Era */BED_DEFENSE_I="bed_defense_i",DESTRUCTION_I="destruction_i",ALTAR_I="altar_i",/** Diamond Era */DESTRUCTION_II="destruction_ii",MAGIC_I="magic_i",ALTAR_II="altar_ii",/** Emerald Era */MAGIC_II="magic_ii",ALTAR_III="altar_iii",