46 virtual void addUnderwaterAcousticsAdditionCallback(
48 virtual void removeUnderwaterAcousticsAdditionCallback(
52 virtual void addUnderwaterAcousticsRemovalCallback(
54 virtual void removeUnderwaterAcousticsRemovalCallback(
58 virtual void print()
const;
61 virtual void printDataToStream( std::ostream& stream )
const;