Lint and format src/runtime/action/index.js

src/runtime/action/index.js

@@ -3,9 +3,6 @@ export {};
 // - undefined extends X instead of X extends undefined makes this work better with both strict and nonstrict mode
 // - [X] extends [never] is needed, X extends never would reduce the whole resulting type to never and not to one of the condition outcomes
 
-
-
-
 /**
  * Actions can return an object containing the two properties defined in this interface. Both are optional.
  * - update: An action can have a parameter. This method will be called whenever that parameter changes,