docs: function onwritten(err) {
    if (err) return console.error(err)
  
    collector.cleanAllResources().disable()
  
    // allow `close` 'after' and `destroy` to fire
    tick(2, () => {
      collector
        .processStacks()
        .stringifyBuffers()
  
      // save('write-fs-only', Array.from(collector.fileSystemActivities))
      // save('write-fs-all', Array.from(collector.activities))
    })
  }