Abstract class for a comment event.
Optionalopt_comment: Blockly.WorkspaceCommentThe comment this event corresponds to. Undefined for a blank event.
The ID of the comment this event pertains to.
The event group id for the group this event belongs to. Groups define events that should be treated as an single action from the user's perspective, and should be undone together.
Whether or not an event is blank.
Whether or not the event is a UI event.
Sets whether the event should be added to the undo stack.
The workspace identifier for this event.
Fake class which should be extended to avoid inheriting static properties