void function ( ) { this . groups . clear ( ) ; }
clear the stored columngroup s for resuse . concode_field_sep String INDEX_TO_TABLE_CONF_PREFX concode_elem_sep String TABLE_SUFFIX concode_elem_sep String INDEX_GROUP_PREFIX concode_elem_sep List<ColumnGroup> groups concode_elem_sep String INDEX_GROUPS_COUNT_KEY concode_elem_sep String COUNT concode_elem_sep Map<String,String> specs concode_elem_sep String INDEX_GROUP_COVERAGE_SUFFIX concode_field_sep void build concode_elem_sep void build concode_elem_sep Map<String,String> convertToMap concode_elem_sep ColumnGroup get concode_elem_sep int addIndexGroup concode_elem_sep void addIndexGroupToSpecs concode_elem_sep void addArbitraryConfigForTesting concode_elem_sep void remove concode_elem_sep List<ColumnGroup> getColumns