qpid-jms-client/src/main/java/org/apache/qpid/jms/provider/BalancedProviderFuture.java [81:107]:
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                    synchronized (this) {
                        if (isComplete()) {
                            failOnError();
                            return true;
                        }

                        waiting++;
                        try {
                            wait(-diff / 1000000, (int) (-diff % 1000000));
                        } finally {
                            waiting--;
                        }
                    }
                }
            }
        } catch (InterruptedException e) {
            Thread.interrupted();
            throw ProviderExceptionSupport.createOrPassthroughFatal(e);
        }
    }

    @Override
    public void sync() throws ProviderException {
        try {
            if (isComplete()) {
                failOnError();
                return;
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qpid-jms-client/src/main/java/org/apache/qpid/jms/provider/ConservativeProviderFuture.java [70:95]:
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                synchronized (this) {
                    if (isComplete()) {
                        failOnError();
                        return true;
                    }

                    waiting++;
                    try {
                        wait(-diff / 1000000, (int) (-diff % 1000000));
                    } finally {
                        waiting--;
                    }
                }
            }
        } catch (InterruptedException e) {
            Thread.interrupted();
            throw ProviderExceptionSupport.createOrPassthroughFatal(e);
        }
    }

    @Override
    public void sync() throws ProviderException {
        try {
            if (isComplete()) {
                failOnError();
                return;
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