package Ġde . u ul m . se . co uched it . model . comp artment Ċ Ċ import Ġde . u ul m . se . co uched it . model . base . Element Ċ import Ġde . u ul m . se . co uched it . model . base . Element Reference Ċ import Ġde . u ul m . se . co uched it . model . graphic . elements . Graphic Object Ċ Ċ /** Ċ Ġ* ĠMarker Ġinterface Ġfor Ġ[ Element ] s Ġbelong ing Ġto Ġthe ĠComp art ments Ġmechanism 's Ġdata Ġmodel Ċ Ġ*/ Ċ interface ĠComp artment Element Ġ: ĠElement Ġ{ ĊĠĠĠ Ġval Ġbase : ĠElement Reference < Graphic Object <* >> ĊĊĠĠĠ Ġval Ġsplit Compartment : ĠElement Reference < Compartment Element >? ĊĊĠĠĠ Ġval Ġline Set : ĠSet < Element Reference < Graphic Object <* >>> ĊĊĠĠĠ Ġval Ġindex : ĠComp artment Index Ċ } Ċ