private void map(final String oldName,
                         final String newName,
                         final Function<String, String> serialisationMappingFunc) {
            Objects.requireNonNull(oldName);
            Objects.requireNonNull(newName);
            Objects.requireNonNull(serialisationMappingFunc);
            mappings.put(oldName, new Mapping(oldName, newName, serialisationMappingFunc));
        }
Rename prop and change its serialised form
stroom-legacy/stroom-legacy-db-migration/src/main/java/stroom/legacy/db/migration/V07_00_00_1202__property_rename.java