private static LongIterator PrimitiveIds(IntObjectMap <MutableLongSet> map)
{
if (map == null)
{
return(ImmutableEmptyLongIterator.INSTANCE);
}
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final int size = toIntExact(map.sumOfInt(org.eclipse.collections.api.set.primitive.LongSet::size));
int size = toIntExact(map.sumOfInt(LongSet.size));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.eclipse.collections.api.set.primitive.MutableLongSet ids = new org.eclipse.collections.impl.set.mutable.primitive.LongHashSet(size);
MutableLongSet ids = new LongHashSet(size);
map.values().forEach(ids.addAll);
return(ids.longIterator());
}