public String GetRegistrationName(TypeMapping typeMapping)
{
var namedMappingRequested = configurationDetails.IsMultimap(typeMapping.From) || configurationDetails.IsNamedMapping(typeMapping.To);
var namedMappingRequired = mappingBehaviors.HasFlag(MappingBehaviors.MultimapByDefault) && multimapTypes.Contains(typeMapping.From);
return((namedMappingRequested || namedMappingRequired) ? configurationDetails.GetNamedMapping(typeMapping)
: null);
}