code: func (c *IdentityConfig) CAServerCerts(org string) ([][]byte, bool) {
  	caConfigs, ok := c.caConfigsByOrg[strings.ToLower(org)]
  	if ok {
  		//for now, we're only loading the first Cert Authority by default.
  		return caConfigs[0].TLSCAServerCerts, true
  	}
  	return nil, false
  }
docs: // CAServerCerts Read configuration option for the server certificates
  // will send a list of cert bytes for given org