code: func (s *OrganizationsService) ListOrgInvitationTeams(ctx context.Context, org, invitationID string, opt *ListOptions) ([]*Team, *Response, error) {
  	u := fmt.Sprintf("orgs/%v/invitations/%v/teams", org, invitationID)
  	u, err := addOptions(u, opt)
  	if err != nil {
  		return nil, nil, err
  	}
  
  	req, err := s.client.NewRequest("GET", u, nil)
  	if err != nil {
  		return nil, nil, err
  	}
  
  	// TODO: remove custom Accept header when this API fully launches.
  	req.Header.Set("Accept", mediaTypeOrganizationInvitationPreview)
  
  	var orgInvitationTeams []*Team
  	resp, err := s.client.Do(ctx, req, &orgInvitationTeams)
  	if err != nil {
  		return nil, resp, err
  	}
  	return orgInvitationTeams, resp, nil
  }
docs: // ListOrgInvitationTeams lists all teams associated with an invitation. In order to see invitations in an organization,
  // the authenticated user must be an organization owner.
  //
  // GitHub API docs: https://developer.github.com/v3/orgs/members/#list-organization-invitation-teams