code: func (remote *RemoteDebugger) SetFileInputFiles(id int, files []string, idType IdType) error {
  	params := Params{"files": files}
  
  	switch idType {
  	case NodeId:
  		params["nodeId"] = id
  	case BackendNodeId:
  		params["backendNodeId"] = id
  	case ObjectId:
  		params["objectId"] = id
  	}
  
  	_, err := remote.SendRequest("DOM.setFileInputFiles", params)
  	return err
  }
docs: // SetFileInputFiles sets files for the given file input element.