presto-main/src/main/java/io/prestosql/sql/planner/iterative/rule/LambdaCaptureDesugaringRewriter.java/LambdaCaptureDesugaringRewriter/Visitor
class LambdaCaptureDesugaringRewriter:        public Visitor(TypeProvider symbolTypes, SymbolAllocator symbolAllocator)
        {
            this.symbolTypes = requireNonNull(symbolTypes, "symbolTypes is null");
            this.symbolAllocator = requireNonNull(symbolAllocator, "symbolAllocator is null");
        }