presto-main/src/main/java/io/prestosql/server/QueryStateInfoResource.java/QueryStateInfoResource/QueryStateInfoResource
class QueryStateInfoResource:    @Inject
    public QueryStateInfoResource(
            DispatchManager dispatchManager,
            ResourceGroupManager<?> resourceGroupManager)
    {
        this.dispatchManager = requireNonNull(dispatchManager, "dispatchManager is null");
        this.resourceGroupManager = requireNonNull(resourceGroupManager, "resourceGroupManager is null");
    }