Method setDone

fdbclient/NativeAPI.actor.cpp:4568–4572

	bool done() { return tssComparisonDone.getFuture().isReady(); }

	void setDone() {
		if (tssComparisonDone.canBeSet()) {
			tssComparisonDone.send(Void());
		}
	}

	~TSSDuplicateStreamData() {}
};