asDownlinkAwsGroundStationAgentEndpointOrNull
Casts this CreateEndpointDetails as a DownlinkAwsGroundStationAgentEndpoint and retrieves its aws.sdk.kotlin.services.groundstation.model.DownlinkAwsGroundStationAgentEndpoint value. Returns null if the CreateEndpointDetails is not a DownlinkAwsGroundStationAgentEndpoint.