aeron-driver/src/main/java/io/aeron/driver/Configuration.java
public static SendChannelEndpointSupplier sendChannelEndpointSupplier()
    {
        SendChannelEndpointSupplier supplier = null;
        try
        {
            final String className = getProperty(SEND_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME);
            if (null == className)
            {
                return new DefaultSendChannelEndpointSupplier();
            }

            supplier = (SendChannelEndpointSupplier)Class.forName(className).getConstructor().newInstance();
        }
        catch (final Exception ex)
        {
            LangUtil.rethrowUnchecked(ex);
        }

        return supplier;
    }
public static SendChannelEndpointSupplier sendChannelEndpointSupplier()
    {
        SendChannelEndpointSupplier supplier = null;
        try
        {
            final String className = getProperty(SEND_CHANNEL_ENDPOINT_SUPPLIER_PROP_NAME);
            if (null == className)
            {
                return new DefaultSendChannelEndpointSupplier();
            }

            supplier = (SendChannelEndpointSupplier)Class.forName(className).getConstructor().newInstance();
        }
        catch (final Exception ex)
        {
            LangUtil.rethrowUnchecked(ex);
        }

        return supplier;
    }
Get the supplier of {@link SendChannelEndpoint}s which can be used for
debugging, monitoring, or modifying the behaviour when sending to the channel.

@return the {@link SendChannelEndpointSupplier}.