Question about documentation in example snippet

[jamesblacklock]

https://github.com/mike-marcacci/node-redlock/blob/b720d5fdbe5bb54316031aec8b2c15128dbfa8a9/src/index.ts#L637

Is bullet point (1) actually true? As far as I can tell from the code, the only way the signal gets aborted is if lock extension fails, and the queue() routine is called asynchronously with the routine(), so the duration of the routine() should not affect whether extend() is called.