CompressionScheme, CompressionError, and MissingDataInfo, which are public types, are instead moved to a new header PSync/common.hpp Change-Id: If1b8cb037cb321ff32c080c67df9dc3689223c00
Various other cleanups Change-Id: Ie099e618b12b7b6cf36c32be96d753221f14a8b6
refs: #5061, #4917 Change-Id: Icba04b8693e40c4f065293b8d688ba32c63bd7bb