[API] Added a few type definitions for bucket-related structures.
[API] Added a few type definitions for bucket-related structures.

airsim/sevmgr,airsim/trademgen,jwakely/trademgen,airsim/airtsp,airsim/simfqt,jwakely/simfqt,airsim/stdair,airsim/airinv,jwakely/airrac,jwakely/rmol,airsim/airinv,airsim/sevmgr,airsim/rmol,jwakely/airinv,airsim/simlfs,jwakely/airinv,jwakely/trademgen,airsim/airtsp,airsim/airinv,airsim/rmol,airsim/avlcal,jwakely/simfqt,airsim/simcrs,airsim/travelccm,airsim/simfqt,airsim/airrac,airsim/airrac,airsim/tvlsim,airsim/tvlsim,airsim/airinv,jwakely/airinv,airsim/avlcal,jwakely/simcrs,airsim/airinv,airsim/airinv,airsim/travelccm,airsim/tvlsim,airsim/rmol,jwakely/airrac,jwakely/rmol,airsim/tvlsim,airsim/simlfs,airsim/simlfs,airsim/tvlsim,jwakely/airinv,airsim/stdair,airsim/stdair,airsim/simcrs,airsim/avlcal,jwakely/simcrs,airsim/trademgen,jwakely/travelccm,jwakely/simfqt,airsim/simfqt,airsim/airinv,airsim/rmol,airsim/simcrs,jwakely/travelccm,jwakely/rmol,jwakely/airinv,airsim/airinv,airsim/avlcal,jwakely/airinv,jwakely/airinv,jwakely/airinv,airsim/trademgen,jwakely/airrac,jwakely/airinv,jwakely/rmol,airsim/tvlsim,airsim/airrac,airsim/sevmgr,airsim/tvlsim,jwakely/simcrs,airsim/tvlsim,airsim/tvlsim,airsim/airinv,jwakely/trademgen