code: func (api *API) AccountRoles(accountID string) ([]AccountRole, error) {
  	uri := "/accounts/" + accountID + "/roles"
  
  	res, err := api.makeRequest("GET", uri, nil)
  	if err != nil {
  		return []AccountRole{}, errors.Wrap(err, errMakeRequestError)
  	}
  
  	var accountRolesListResponse AccountRolesListResponse
  	err = json.Unmarshal(res, &accountRolesListResponse)
  	if err != nil {
  		return []AccountRole{}, errors.Wrap(err, errUnmarshalError)
  	}
  
  	return accountRolesListResponse.Result, nil
  }
docs: // AccountRoles returns all roles of an account.
  //
  // API reference: https://api.cloudflare.com/#account-roles-list-roles