/**
	 * Caller to {@link #getMemorySpaces()} provides one of these, as that
	 * method may need to consult the debugger backend, and thus needs to be
	 * asynchronous
	 */
/**
	 * Caller to {@link #getMemorySpaces()} provides one of these, as that
	 * method may need to consult the debugger backend, and thus needs to be
	 * asynchronous
	 */ | IMemorySpaceAwareMemoryBlockRetrieval.java