PluginManager which supports listing installed plugins, available plugins, installing and uninstalling plugins, enabling and disabling plugins, and more.create_dumb_slave method to accept the new credentials id that is introduced in the newer version of jenkins. Credit: @Loaexec_script to use api_post_reqeust to support features provided by api_post_request such as using crumbs. Credit: @chilicheechcreate_dump_slave -> create_dumb_slave. Thanks for finding the typo/incorrect name @cynipe