Represents an active extension in a specific slot.
a Boolean value that determines whether the extension is active.
the ID of the extension. Is null if the extension is not active.
null
the name of the extension. Is null if the extension is not active.
the version of the extension. Is null if the extension is not active.
the x-coordinate of the extension. Only set for component extensions. Is null otherwise.
the y-coordinate of the extension. Only set for component extensions. Is null otherwise.