Optionalservice: Service | ServiceCredentials | "identity"
Service credentials ServiceCredentials, the service type (always 'identity' for IAS), or a Service binding.
Optionaloptions: IasTokenOptions
Options for IAS token retrieval and destination configuration. See IasTokenOptions.
A promise that resolves to an HTTP destination.
Creates an Destination from IAS service credentials. Fetches an IAS token and builds a destination with the token, mTLS key pair (if available), and the target URL.