Mutable views look like invalid: inserters must modify source map on their own
wrap is almost identical to map - it just passes different arguments to "inserter"
Mutable views look like invalid: inserters must modify source map on their own
`wrap` is almost identical to `map` - it just passes different arguments to "inserter"
Mutable views look like invalid: inserters must modify source map on their own
wrapis almost identical tomap- it just passes different arguments to "inserter"We should use the same changes as inside MapUtils
Probably MapAdapterKV, MapAdapterVV and MapProjection could be merged into one, or could inherit from one