When storing cache references, it is a Dictionary keyed by a cache name with a corresponding value being an IINamedCache reference or a PrincipalScopedReference that contains a IINamedCache reference.

When storing service references, it is a Dictionary keyed by a service name with a corrsponding value being a ICacheService reference or a PrincipalScopedReference that contains an ICacheService reference.

protected readonly IDictionary m_mapByName