Extension from IndoorGML 1.0.3 to support public safety features in indoor space. It is aligned with CityGML ADE for public safety defined as a deliverable of NIST Indoor pilot project. 2019-02-21 by Ki-Joune Li PublicSafetyDoor as a subclass of ConnectionBoundary in Indoor Navigation Module. PublicSafetyWindow as a subclass of ConnectionBoundary in Indoor Navigation Module. PublicSafetyHatch as a subclass of ConnectionBoundary in Indoor Navigation Module. PublicSafetyRoom as a subclass of GeneralSpace in Indoor Navigation Module. PublicSafetyElevator as a subclass of TransitionSpace in Indoor Navigation Module. PublicSafetyStair as a subclass of TransitionSpace in Indoor Navigation Module. IndoorPOI as a subclass of State in Indoor Core Module. PublicSafetyIndoorInstallation as a subclass of IndoorPOI in Indoor PSExt Module. PublicSafetyAlarm as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyDetector as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyEscalator as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyFirePump as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyGenerator as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyKeyBox as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyManual as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyMedical as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyshutoff as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetySprinkler as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module. PublicSafetyTransformer as a subclass of PublicSafetyIndoorInstallation in Indoor PSExt Module.