enum IfcActionSourceTypeEnum { kIfcActionSourceTypeEnum_DEAD_LOAD_G, kIfcActionSourceTypeEnum_COMPLETION_G1, kIfcActionSourceTypeEnum_LIVE_LOAD_Q, kIfcActionSourceTypeEnum_SNOW_S, kIfcActionSourceTypeEnum_WIND_W, kIfcActionSourceTypeEnum_PRESTRESSING_P, kIfcActionSourceTypeEnum_SETTLEMENT_U, kIfcActionSourceTypeEnum_TEMPERATURE_T, kIfcActionSourceTypeEnum_EARTHQUAKE_E, kIfcActionSourceTypeEnum_FIRE, kIfcActionSourceTypeEnum_IMPULSE, kIfcActionSourceTypeEnum_IMPACT, kIfcActionSourceTypeEnum_TRANSPORT, kIfcActionSourceTypeEnum_ERECTION, kIfcActionSourceTypeEnum_PROPPING, kIfcActionSourceTypeEnum_SYSTEM_IMPERFECTION, kIfcActionSourceTypeEnum_SHRINKAGE, kIfcActionSourceTypeEnum_CREEP, kIfcActionSourceTypeEnum_LACK_OF_FIT, kIfcActionSourceTypeEnum_BUOYANCY, kIfcActionSourceTypeEnum_ICE, kIfcActionSourceTypeEnum_CURRENT, kIfcActionSourceTypeEnum_WAVE, kIfcActionSourceTypeEnum_RAIN, kIfcActionSourceTypeEnum_BRAKES, kIfcActionSourceTypeEnum_USERDEFINED, kIfcActionSourceTypeEnum_NOTDEFINED, kIfcActionSourceTypeEnum_unset };