code: func (is *identityMapperImpl) IdentityInfo() api.PeerIdentitySet {
  	var res api.PeerIdentitySet
  	is.RLock()
  	defer is.RUnlock()
  	for _, storedIdentity := range is.pkiID2Cert {
  		res = append(res, api.PeerIdentityInfo{
  			Identity:     storedIdentity.peerIdentity,
  			PKIId:        storedIdentity.pkiID,
  			Organization: storedIdentity.orgId,
  		})
  	}
  	return res
  }
docs: // IdentityInfo returns information known peer identities