SignIn(stage, username, password string) (tokens Tokens, err error)

Create(identityToken, stage, parentNodeID, label, description string) (companyID string, err error)
Delete(identityToken, stage, companyID string) (err error)

NewEmailAddress() (emailAddress string, err error)
PollForMessageWithSubject(emailAddress, subject string, fromTimestamp time.Time) (msgAsHTML string, err error)

Create(accessToken, stage, companyID, email string) (createdUser User, password string, err error)
Delete(accessToken, stage, userID string) error
AddUserAccess(identityToken, stage, userID, companyID string) (err error)
AddUserRole(identityToken, stage, userID, role string) (err error)