String copybookContents = "01 RECORD.
05 FILLER PIC X(1).
05 COMPANY_PREFIX PIC X(3).
05 FILLER PIC X(1).
05 FILLER PIC X(1).
05 COMPANY_NAME PIC X(9)."
Group grp = CopybookParser.parseSimple(copybookContents, true,true,commentPolicy.apply(false,6,72)).ast();
in the above scenario as drop_value_fillers is true then the output ast also should not contain the FILLERS. But output ast is providing each column details.