@Override
public RpcResult<CompositeNode> answer(InvocationOnMock invocation) throws Throwable {
CompositeNode compNode = (CompositeNode) invocation.getArguments()[1];
@Override
public RpcResult<CompositeNode> answer(InvocationOnMock invocation) throws Throwable {
CompositeNode compNode = (CompositeNode) invocation.getArguments()[1];