SignalRSkuTier type
Optional tier of this particular SKU. 'Standard' or 'Free'.
Basic is deprecated, use Standard instead.
KnownSignalRSkuTier can be used interchangeably with SignalRSkuTier,
this enum contains the known values that the service supports.
Known values supported by the service
Free
Basic
Standard
Premium
type SignalRSkuTier = string