presto-main/src/main/java/io/prestosql/sql/analyzer/Analysis.java/Analysis/addCoercions
class Analysis:    public void addCoercions(Map<NodeRef<Expression>, Type> coercions, Set<NodeRef<Expression>> typeOnlyCoercions)
    {
        this.coercions.putAll(coercions);
        this.typeOnlyCoercions.addAll(typeOnlyCoercions);
    }