Page.setBlockedEventsWarningThreshold

{
  "name": "setBlockedEventsWarningThreshold",
  "experimental": true,
  "parameters": [
    {
      "name": "threshold",
      "type": "number",
      "description": "If set to a positive number, specifies threshold in seconds for input event latency that will cause a console warning about blocked event to be issued. If zero or less, the warning is disabled."
    }
  ]
}