ElementInstances

TupleDerivation

Empty

NOpt Opt OptRef

ErrorReportingCodec

GenCodec

empty

JCollectionCreator JMapCreator JSortedSetCreator NOpt Opt OptRef

execute

RunInQueueEC RunNowEC

executionContext

HasExecutionContext HasRunInQueueEC HasRunNowEC Implicits Implicits

exists

NOpt Opt OptRef