MsBackendCachedStash    Stash for 'MsBackendCached'
MsBackendHdf5PeaksStash
                        MsBackendHdf5Peaks Stash
MsBackendMemoryStash    Stash for 'MsBackendMemory' and
                        'MsBackendDataFrame'
MsBackendMzRStash       MsBackendMzR Stash
SpectraStash            Spectra Stash
