Constructs an OverlayPlugin instance with the given plugin system and optional descriptor.
Optionaldescriptor: DescriptorReadonlyidReadonlypluginThe plugin system instance this plugin is registered with.
Cleans up and releases resources held by the overlay plugin.
Returns the name of this object's type.
Returns true if the object is of the specified type.
Returns true if this object refers to the same instance as the given object.
Requests that the overlay be hidden.
Requests that the overlay be shown.
Base class for plugins that render overlay UI on top of the editor viewport.