Cast data to the given class if possible.
Cast data to the given class if possible. If the data cannot be cast, then it is filtered out. Prefer to use castFilter2
Cast data to the given class if possible.
Cast data to the given class if possible. If the data cannot be cast, then it is filtered out. This method is preferred because it is less boilerplate. It is often enough to simply mention the type parameter.
(Since version 13.04.2015) use #flatMapOpt
(Since version 13.04.2015) use #flatten
DSL methods for creating links between the two given contacts.