requestMediaKeySystemAccess method Null safety

Future requestMediaKeySystemAccess (
  1. String keySystem,
  2. List<Map> supportedConfigurations
)

Implementation

Future requestMediaKeySystemAccess(
        String keySystem, List<Map> supportedConfigurations) =>
    promiseToFuture(JS("", "#.requestMediaKeySystemAccess(#, #)", this,
        keySystem, supportedConfigurations));