src/main/java/com/amazonaws/services/simpleworkflow/flow/worker/ActivityTaskPoller.java [286:321]:
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    @Override
    public void suspend() {
        lock.lock();
        try {
            suspended = true;
        }
        finally {
            lock.unlock();
        }
    }

    @Override
    public void resume() {
        lock.lock();
        try {
            suspended = false;
            suspentionCondition.signalAll();
        }
        finally {
            lock.unlock();
        }
    }

    @Override
    public boolean isSuspended() {
        lock.lock();
        try {
            return suspended;
        }
        finally {
            lock.unlock();
        }
    }

    @Override
    public void shutdown() {
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src/main/java/com/amazonaws/services/simpleworkflow/flow/worker/DecisionTaskPoller.java [456:491]:
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    @Override
    public void suspend() {
        lock.lock();
        try {
            suspended = true;
        }
        finally {
            lock.unlock();
        }
    }

    @Override
    public void resume() {
        lock.lock();
        try {
            suspended = false;
            suspentionCondition.signalAll();
        }
        finally {
            lock.unlock();
        }
    }

    @Override
    public boolean isSuspended() {
        lock.lock();
        try {
            return suspended;
        }
        finally {
            lock.unlock();
        }
    }

    @Override
    public void shutdown() {
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