CleanupPluginBuilders cleans up all the plugin.

CloseSession close the session.

GetAction get the action by name.

GetPluginBuilder get the pluginbuilder by name.

OpenSession start the session.

RegisterAction register action.

RegisterPluginBuilder register the plugin.

Event structure.

EventHandler structure.

Session information for the current session.

Statement structure.

Action is the interface of scheduler action.

Plugin is the interface of scheduler plugin.

Arguments map.

PluginBuilder plugin management.