@Override public void provideParam(String qualifier,Object paramValue){
  for (  String context : contexts) {
    provideParamForContext(context,qualifier,paramValue);
  }
}

@ Override public void provideParam ( String qualifier , Object paramValue ) { for ( String context : contexts ) { provideParamForContext ( context , qualifier , paramValue ) ; } }
method making the user capable of providing params to the bus
