protected boolean isInternalForeignKeyIndex(Table table, ForeignKey fk, Index index)
protected boolean isInternalForeignKeyIndex(DatabaseMetaDataWrapper metaData, Table table, ForeignKey fk, Index index)
    protected boolean isInternalForeignKeyIndex(Table table, ForeignKey fk, Index index)    {        String name = index.getName();        return (name != null) && name.startsWith("SYS_IDX_");    }