public Optional<ColumnMapper<?>> findFor(Type type) {
        return findFor(QualifiedType.of(type)).map(Function.identity());
    }
Obtain a column mapper for the given type.

@param type the target type to map to
@return a ColumnMapper for the given type, or empty if no column mapper is registered for the given type.
core/src/main/java/org/jdbi/v3/core/mapper/ColumnMappers.java