presto-spi/src/main/java/io/prestosql/spi/resourcegroups/SelectionContext.java/SelectionContext/SelectionContext
class SelectionContext:    public SelectionContext(ResourceGroupId resourceGroupId, T context)
    {
        this.resourceGroupId = requireNonNull(resourceGroupId, "resourceGroupId is null");
        this.context = requireNonNull(context, "context is null");
    }