IConnectionRouter used to route an
edge.EdgeContentPart is the controller for an Edge content
object.EdgeContentPart.ArrowHead is used as a decoration for a connection
Connection.EdgeLabelPart is an AbstractVisualPart that is used to
display the label of an edge.ZestProperties.ELEMENT_LAYOUT_IRRELEVANT attribute.Copyright (c) 2014 itemis AG and others. All rights reserved.