Common

Frontend

• ChatInfoTabProvider Displays custom tabs in chat info view and provides tab content.
• MailInfoTabProvider Displays custom tabs in mail info view and provides tab content.
• MessageTabProvider Displays message content tab in mail info view and provides tab content.
• RecategorizationListManipulator Manipulates the category list provided by the recategorization dialog.
• InternalForwardListManipulator Manipulates the user list provided by the internal forwarding dialog.

Backend

• AttachmentDatasourceProvider Provides access to the binary data of an attachment.
• PluginBundleLifecycleEventListener Perform actions after plugin bundle lifecycle events occur.
• CustomEventListener Extension point to listen to custom events raised by other plugins or apps