TabContribution<?> contribution = graph.adapt(r, TabContribution.class);
contributions.add(contribution);
if(DebugPolicy.DEBUG) LOGGER.debug("-contribution " + graph.getURI(r));
TabContribution<?> contribution = graph.adapt(r, TabContribution.class);
contributions.add(contribution);
if(DebugPolicy.DEBUG) LOGGER.debug("-contribution " + graph.getURI(r));