getOpenFiles method Null safety

Future<OpenFileList> getOpenFiles(
  1. String isolateId
)

The getOpenFiles RPC is used to retrieve the list of files currently opened files by dart:io from a given isolate.

Implementation

Future<OpenFileList> getOpenFiles(String isolateId) => _callHelper(
      'ext.dart.io.getOpenFiles',
      isolateId,
    );