build method
Builds the pipeline and returns the outermost SpeechToTextClient.
Implementation
SpeechToTextClient build([ServiceProvider? services]) {
services ??= EmptyServiceProvider.instance;
var client = _innerFactory(services);
for (var i = _factories.length - 1; i >= 0; i--) {
client = _factories[i](client);
}
return client;
}