$clientId :
$clientSecret :
$redirectUri :
$grantTypes :
$scope :
$userId :
__construct()
getClientId()
setClientId( $clientId)
getClientSecret()
setClientSecret( $secret)
getRedirectUri()
setRedirectUri( $redirectUri)
getGrantType()
setGrantType( $grantType)
getScope()
setScope( $scope)
getUserId()
setUserId( $userId)