export declare type ReservationDetailsErrorReason = 'UNLIMITED_UNITS_BOUGHT_NOT_ALLOWED' | 'UNLIMITED_END_DATE_TIME_NOT_ALLOWED' | 'PERCENTAGE_UNITS_BOUGHT_TOO_HIGH' | 'DURATION_NOT_ALLOWED' | 'UNIT_TYPE_NOT_ALLOWED' | 'COST_TYPE_NOT_ALLOWED' | 'COST_TYPE_UNIT_TYPE_MISMATCH_NOT_ALLOWED' | 'LINE_ITEM_TYPE_NOT_ALLOWED' | 'NETWORK_REMNANT_ORDER_CANNOT_UPDATE_LINEITEM_TYPE' | 'BACKFILL_WEBPROPERTY_CODE_NOT_ALLOWED' | 'UNKNOWN';