}
// RPC
- public ListenableFuture<DOMRpcResult> invokeRpc(final SchemaPath type, final NormalizedNode<?, ?> input) {
+ public ListenableFuture<? extends DOMRpcResult> invokeRpc(final SchemaPath type, final NormalizedNode<?, ?> input) {
if (this.rpcService == null) {
throw new RestconfDocumentedException(Status.SERVICE_UNAVAILABLE);
}