@NotNull
private Set<Usage> getReadOnlyUsages() {
final Set<Usage> result = new THashSet<Usage>();
final Set<Map.Entry<Usage, UsageNode>> usages = myUsageNodes.entrySet();
for (Map.Entry<Usage, UsageNode> entry : usages) {
Usage usage = entry.getKey();
UsageNode node = entry.getValue();
if (node != null && node != NULL_NODE && !node.isExcluded() && usage.isReadOnly()) {
result.add(usage);
}
}
return result;
}
