grib/src/main/java/ucar/nc2/grib/grib1/tables/Grib1ParamTables.java
public Grib1ParamTableReader getParameterTable(int center, int subcenter, int tableVersion) {
    Grib1ParamTableReader result = null;
    if (lookup != null)
      result = lookup.getParameterTable(center, subcenter, tableVersion);
    if (result == null)
      result = standardLookup.getParameterTable(center, subcenter, tableVersion); // standard tables

    return result;
  }
public Grib1ParamTableReader getParameterTable(int center, int subcenter, int tableVersion) {
    Grib1ParamTableReader result = null;
    if (lookup != null)
      result = lookup.getParameterTable(center, subcenter, tableVersion);
    if (result == null)
      result = standardLookup.getParameterTable(center, subcenter, tableVersion); // standard tables

    return result;
  }
Debugging only