presto-main/src/main/java/io/prestosql/operator/OperatorContext.java/OperatorContext/setInfoSupplier
class OperatorContext:    public void setInfoSupplier(Supplier<OperatorInfo> infoSupplier)
    {
        requireNonNull(infoSupplier, "infoProvider is null");
        this.infoSupplier.set(infoSupplier);
    }