presto-main/src/main/java/io/prestosql/metadata/BoundVariables.java/BoundVariables/equals
class BoundVariables:    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        BoundVariables that = (BoundVariables) o;
        return Objects.equals(typeVariables, that.typeVariables) &&
                Objects.equals(longVariables, that.longVariables);
    }