private void blockRelatedAssociations(VTAssociationDB association) {
		Set<VTAssociationDB> relatedAssociations = getRelatedAssociations(association);
		for (VTAssociationDB relatedAssociation : relatedAssociations) {
			VTAssociationStatus status = relatedAssociation.getStatus();
			switch (status) {
				case ACCEPTED:
					throw new AssertException("Attempted to block already accepted association!");
				case AVAILABLE:
					relatedAssociation.setStatus(BLOCKED);
					break;
				case BLOCKED:
					break; // already blocked
				case REJECTED:
					break; // rejected has precedence

			}
		}
	}
Called when an existing session has been initialized with its programs.  This is not called
when a new session is created.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/api/db/AssociationDatabaseManager.java