https://mail.gnome.org/archives/gtk-list/2005-December/msg00053.html
Gtk marshallers
gtk
https://pekko.apache.org/japi/pekko-http/snapshot/org/apache/pekko/http/javadsl/marshallers/jackson3/package-summary.html
org.apache.pekko.http.javadsl.marshallers.jackson3
declaration: package: org.apache.pekko.http.javadsl.marshallers.jackson3
apachepekkohttp