Contains CORBA synchronization modes, specifying how far the request shall progress before control is returned to the client for one way operations. The one way operation is an operation when no response is required. OMG specification defines the following modes: The java API specification up till 1.4 inclusive defines only one constant, SYNC_WITH_TRANSPORT. Others may appear in the future versions. @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)