private static MutableObjectLongMap <SchemaDescriptor> IndexIdsByDescriptor(LongObjectMap <IndexProxy> indexesById)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.eclipse.collections.api.map.primitive.MutableObjectLongMap<org.neo4j.internal.kernel.api.schema.SchemaDescriptor> map = new org.eclipse.collections.impl.map.mutable.primitive.ObjectLongHashMap<>(indexesById.size());
MutableObjectLongMap <SchemaDescriptor> map = new ObjectLongHashMap <SchemaDescriptor>(indexesById.size());
indexesById.forEachKeyValue((id, indexProxy) => map.put(indexProxy.Descriptor.schema(), id));
return(map);
}