A map of possible out-of band callbacks related to the parent operation. The key is a unique
identifier for the OasCallback object. Each value in the map is a Callback Object that
describes a request that may be initiated by the API provider and the expected responses.
A map of possible out-of band callbacks related to the parent operation. The key is a unique identifier for the OasCallback object. Each value in the map is a Callback Object that describes a request that may be initiated by the API provider and the expected responses.