+ versions => {
+ type => 'one to many',
+ class => 'SL::DB::RequirementSpecVersion',
+ column_map => { id => 'requirement_spec_id' },
+ },
+ working_copy_versions => {
+ type => 'one to many',
+ class => 'SL::DB::RequirementSpecVersion',
+ column_map => { id => 'working_copy_id' },
+ },
+ orders => {
+ type => 'one to many',
+ class => 'SL::DB::RequirementSpecOrder',
+ column_map => { id => 'requirement_spec_id' },
+ },
+ parts => {
+ type => 'one to many',
+ class => 'SL::DB::RequirementSpecPart',
+ column_map => { id => 'requirement_spec_id' },
+ },