code: public static CompletableFuture<IMessageSender> createMessageSenderFromConnectionStringBuilderAsync(ConnectionStringBuilder amqpConnectionStringBuilder) {
          Utils.assertNonNull("amqpConnectionStringBuilder", amqpConnectionStringBuilder);
          return createMessageSenderFromEntityPathAsync(amqpConnectionStringBuilder.getEndpoint(), amqpConnectionStringBuilder.getEntityPath(),  Util.getClientSettingsFromConnectionStringBuilder(amqpConnectionStringBuilder));
      }
docs: Create message sender asynchronously from ConnectionStringBuilder
  
  @param amqpConnectionStringBuilder the connection string builder
  @return a CompletableFuture representing the pending creating of {@link IMessageSender} instance