descriptors = new IPropertyDescriptor[oldDescriptors.length + 3];
System.arraycopy(oldDescriptors, 0, descriptors, 0, oldDescriptors.length);
descriptors[descriptors.length - 3] = getOnEntryPropertyDescriptor();
descriptors[descriptors.length - 2] = getOnExitPropertyDescriptor();
descriptors[descriptors.length - 1] =
new MilestoneConstraintPropertyDescriptor(CONSTRAINT, "Constraint",
getMilestoneNode(), (WorkflowProcess) getParent().getProcessWrapper().getProcess());
}