public IModelRelationship GetRelationship(ModelRelationshipId relationshipId) => _graph.GetEdge(relationshipId);
private IModelRelationship GetRelationship(ModelRelationshipId relationshipId) => _graph.GetEdge(relationshipId);
public IModelRelationship GetRelationship(ModelRelationshipId relationshipId) => _graph.GetEdge(relationshipId);
private IModelRelationship GetRelationship(ModelRelationshipId relationshipId) => _graph.GetEdge(relationshipId);