Http2Adapter constructor

Http2Adapter(
  1. ConnectionManager? connectionManager, {
  2. HttpClientAdapter? fallbackAdapter,
  3. H2NotSupportedCallback? onNotSupported,
})

Implementation

Http2Adapter(
  ConnectionManager? connectionManager, {
  HttpClientAdapter? fallbackAdapter,
  this.onNotSupported,
})  : connectionManager = connectionManager ?? ConnectionManager(),
      fallbackAdapter = fallbackAdapter ?? IOHttpClientAdapter();