| line | l | !l&&r | !l&&!r | condition | 
 
| 20 | 34 | 1 | 0 | $Method::Signatures::mutc{'cache'}{'Str'} ||= 'Method::Signatures'->_make_constraint('Str') | 
 
|  | 34 | 1 | 0 | $Method::Signatures::mutc{'cache'}{'Bool'} ||= 'Method::Signatures'->_make_constraint('Bool') | 
 
| 60 | 10 | 1 | 0 | $Method::Signatures::mutc{'cache'}{'ArrayRef'} ||= 'Method::Signatures'->_make_constraint('ArrayRef') | 
 
| 71 | 7 | 1 | 0 | $Method::Signatures::mutc{'cache'}{'MARC::Field'} ||= 'Method::Signatures'->_make_constraint('MARC::Field') | 
 
| 76 | 1 | 1 | 0 | $Method::Signatures::mutc{'cache'}{'MARC::Record'} ||= 'Method::Signatures'->_make_constraint('MARC::Record') |