nl_tokens: Construct a grant manager .
pl_tokens: function GrantManager ( config ) { this . realmUrl = config . realmUrl ; this . clientId = config . clientId ; this . secret = config . secret ; this . publicKey = config . publicKey ; this . public = config . <mask> ; this . bearerOnly = config . bearerOnly ; this . notBefore = 0 ; this . rotation = new Rotation ( config ) ; }