TDiskIndex = TAnd(TNonNegativeInt, lambda val: val < constants.MAX_DISKS)
TReplaceDisksMode = TElemOf(constants.REPLACE_MODES)
TDiskTemplate = TElemOf(constants.DISK_TEMPLATES)
-TNodeEvacMode = TElemOf(constants.NODE_EVAC_MODES)
+TEvacMode = TElemOf(constants.NODE_EVAC_MODES)
TIAllocatorTestDir = TElemOf(constants.VALID_IALLOCATOR_DIRECTIONS)
TIAllocatorMode = TElemOf(constants.VALID_IALLOCATOR_MODES)