public boolean isForceRelation() {
		byte val = record.getByteValue(FLAGS_COL);
		return ((val & FORCE_RELATION_FLAG) != 0);
	}
@return true if this record can only be matched if one of the functions parent/child
        relations also matches
Ghidra/Features/FunctionID/src/main/java/ghidra/feature/fid/db/FunctionRecord.java