public FSAccountFedInfo readAccountFedInfo(String userID,String providerID) throws FSAccountMgmtException {
  return readAccountFedInfo(userID,providerID,null);
}

public FSAccountFedInfo readAccountFedInfo ( String userID , String providerID ) throws FSAccountMgmtException { return readAccountFedInfo ( userID , providerID , null ) ; }
reads account ' s federation info from data store for given providerid and returns value as fedinfo object . returns null if value not found for given providerid
