Override this method to add custom message converters.
@param messageConverters the list to add converters to, initially empty
@return {@code true} if default message converters should be added to list,
{@code false} if no more converters should be added.
Override this method to add custom message converters. @param messageConverters the list to add converters to, initially empty @return {@code true} if default message converters should be added to list, {@code false} if no more converters should be added.