Client Cache Implementation

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	Class	Description
	AbstractEntityCache	Base EntityCache implementation.
	ApplicationEntityCache	Main cache implementation that keeps entities for the whole application lifespan unless they expire or are removed from the cache explicitly.
	DefaultCacheEntry	A simple CacheEntry that never expires.
	ExpirableCacheEntry	A cache entry that may expire after a specified time span.
	InvocationEntityCache	Temporary cache implementation that keeps entries only for the duration of a single service invocation.
	WeakCacheEntry	A weak cache entry may become invalid if there are no longer any hard references to the entity encapsulated by this entry.