presto-main/src/main/java/io/prestosql/sql/planner/optimizations/joins/JoinGraph.java/JoinGraph/Builder
class JoinGraph:        private Builder(Metadata metadata, Lookup lookup, PlanNodeIdAllocator planNodeIdAllocator)
        {
            this.metadata = requireNonNull(metadata, "metadata is null");
            this.lookup = requireNonNull(lookup, "lookup cannot be null");
            this.planNodeIdAllocator = requireNonNull(planNodeIdAllocator, "planNodeIdAllocator is null");
        }