// // parse keys
// String[] keys = keysStr.split("[\\s,]");
// Set<String> keysSet = new HashSet<String>(Arrays.asList(keys));
String[] scopeArgs = scopeArgsCsv.split("[\\s,]");
HelixConfigScope scope = new HelixConfigScopeBuilder(type, scopeArgs).build();
String[] keys = keysCsv.split("[\\s,]");
_admin.removeConfig(scope, Arrays.asList(keys));
}