Method getDescendants

src/QLContext.actor.cpp:576–580

	virtual Future<Optional<DataValue>> get(StringRef key) { return layers->get(tr, DataKey(prefix).append(key)); }
	virtual GenFutureStream<KeyValue> getDescendants(StringRef begin,
	                                                 StringRef end,
	                                                 Reference<FlowLock> flowControlLock) {
		return layers->getDescendants(tr, prefix, begin, end, flowControlLock);
	}
	virtual void set(StringRef key, ValueRef value) { layers->set(tr, DataKey(prefix).append(key), value); }
	virtual void clearDescendants() { layers->clearDescendants(tr, prefix); }
	virtual void clear(StringRef key) { layers->clear(tr, DataKey(prefix).append(key)); }