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class Group { // a many-to-many association // An item has zero or more groups and a group // has zero or more items * -- * Item item; // An item has an optional description // The association is directed, so descriptions // do not know which groups link to them 1 -> 0..1 Description; } class Item {} class Description {}//$?[End_of_model]$? class Item { position 127 125 109 45; } class Group { position.association Group__Item:item 65,46 30,0; position.association Description__Group 30,46 30,0; position 50 31 109 45; } class Description { position 50 230 109 45; } strictness allow 36;
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