type DebugEventBrowserProvider: {
  "action": "sendEip1193Payload";
  "payload": {
     "method": string;
     "params": any[];
    };
 } | {
  "action": "receiveEip1193Result";
  "result": any;
 } | {
  "action": "receiveEip1193Error";
  "error": Error;
};

The possible additional events dispatched when using the "debug" event on a BrowserProvider.

​
Source

providers/provider-browser.ts:40