this.coordinator = coordinator;
DMRMapping dmrMapping = (DMRMapping)
this.interactionUnit.findMapping(MappingType.DMR);
this.form = new ModelNodeForm(dmrMapping.getAddress(), securityContext);
this.form.setNumColumns(2);
this.form.setEnabled(false);
assert modelDescription.hasDefined("attributes") : "Invalid model description. Expected child 'attributes'";