code: func (c *DOM) RequestChildNodesWithParams(v *DOMRequestChildNodesParams) (*gcdmessage.ChromeResponse, error) {
  	return gcdmessage.SendDefaultRequest(c.target, c.target.GetSendCh(), &gcdmessage.ParamRequest{Id: c.target.GetId(), Method: "DOM.requestChildNodes", Params: v})
  }
docs: // RequestChildNodesWithParams - Requests that children of the node with given id are returned to the caller in form of `setChildNodes` events where not only immediate children are retrieved, but all children down to the specified depth.