invalidatePrewarmingToken method
Ends all prewarmed connections associated with the token, except for connections that are also kept alive by other tokens.
NOTE for iOS: available on iOS 15.0+.
Officially Supported Platforms/Implementations:
Implementation
Future<void> invalidatePrewarmingToken(PrewarmingToken prewarmingToken) {
throw UnimplementedError(
'invalidatePrewarmingToken is not implemented on the current platform');
}