utils/src/main/java/jetbrains/exodus/core/dataStructures/LongObjectCache.java [139:152]:
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    public V tryKey(final long key) {
        incAttempts();
        V result = secondGenerationQueue.get(key);
        if (result == null) {
            result = firstGenerationQueue.remove(key);
            if (result != null) {
                secondGenerationQueue.put(key, result);
            }
        }
        if (result != null) {
            incHits();
        }
        return result;
    }
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utils/src/main/java/jetbrains/exodus/core/dataStructures/ObjectCache.java [139:152]:
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    public V tryKey(@NotNull final K key) {
        incAttempts();
        V result = secondGenerationQueue.get(key);
        if (result == null) {
            result = firstGenerationQueue.remove(key);
            if (result != null) {
                secondGenerationQueue.put(key, result);
            }
        }
        if (result != null) {
            incHits();
        }
        return result;
    }
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