Method set

fdbserver/ConfigDatabaseUnitTests.actor.cpp:249–252

	Future<Void> getError() const { return Never(); }
	Future<Void> clear(Optional<KeyRef> configClass, KeyRef knobName) { return addMutation(configClass, knobName, {}); }
	Future<Void> set(Optional<KeyRef> configClass, KeyRef knobName, int64_t value) {
		auto knobValue = KnobValueRef::create(value);
		return addMutation(configClass, knobName, knobValue.contents());
	}
	template <class T, class V, class E>
	void check(V T::*member, Optional<E> value) const {
		return readFrom.checkImmediate(member, value);