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@ -34,7 +34,7 @@ public class PersistentDataUtilities {
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future = Main.executor.scheduleAtFixedRate(() -> {
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// TODO: thread-safe
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try {
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if (queue.size() == 0) return;
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if (queue.isEmpty()) return;
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final Map.Entry<String, JsonElement> entry = queue.entrySet().iterator().next(); // is this the best way to get the first item of the map?
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