public void alias(final String name,final Class<?> type,final Class<?> defaultImplementation){
  alias(name,type);
  addDefaultImplementation(defaultImplementation,type);
}

public void alias ( final String name , final Class < ? > type , final Class < ? > defaultImplementation ) { alias ( name , type ) ; addDefaultImplementation ( defaultImplementation , type ) ; }
alias a class to a shorter name to be used in xml elements .
