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Java library for Azure Service Bus. Please note, a newer package com.azure:azure-messaging-servicebus for Azure Service Bus is available as of December 2020. While this package will continue to receive critical bug fixes, we strongly encourage you to upgrade. Read the migration guide at https://aka.ms/azsdk/java/migrate/sb for more details.

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// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

package com.microsoft.azure.servicebus;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;

import com.microsoft.azure.servicebus.primitives.ServiceBusException;

final class Utils {

    static  T completeFuture(CompletableFuture future) throws InterruptedException, ServiceBusException {
        try {
            return future.get();
        } catch (InterruptedException ie) {
            // Rare instance
            throw ie;
        } catch (ExecutionException ee) {
            Throwable cause = ee.getCause();
            if(cause instanceof RuntimeException)
            {
            	throw (RuntimeException)cause;
            }
            else if (cause instanceof Error)
            {
            	throw (Error)cause;
            }
            else if (cause instanceof ServiceBusException)
            {
                throw (ServiceBusException) cause;
            }
            else
            {
                throw new ServiceBusException(true, cause);
            }
        }
    }

    static void assertNonNull(String argumentName, Object argument) {
        if (argument == null)
            throw new IllegalArgumentException("Argument '" + argumentName + "' is null.");
    }
    
    static MessageBody fromSequence(List