/// <exception cref="System.IO.IOException"/> public override IList <Org.Apache.Hadoop.Security.Token.Token <object> > GetDelegationTokens (string renewer) { //AbstractFileSystem Org.Apache.Hadoop.Security.Token.Token <DelegationTokenIdentifier> result = dfs.GetDelegationToken (renewer == null ? null : new Text(renewer)); IList <Org.Apache.Hadoop.Security.Token.Token <object> > tokenList = new AList <Org.Apache.Hadoop.Security.Token.Token <object> >(); tokenList.AddItem(result); return(tokenList); }