Console.cs

var tokenProvider = new OAuthTokenProvider(tenantId, clientId, secret, scope);
            var hdfs = new FileSystemApi(storageAccountName, tokenProvider);

            var response = hdfs.CreateFileSystemAsync(fileSystemName).Result;

            hdfs.CreateDirectoryAsync(fileSystemName, "/demo").Wait();
            hdfs.CreateEmptyFileAsync(fileSystemName, "/demo/", "example.txt").Wait();

            var stream = new FileStream(@"C:\temp.txt", FileMode.Open, FileAccess.Read);
            hdfs.CreateFileAsync(fileSystemName, "/demo/", "mytest.txt", stream).Wait();

            var acls = new AclEntry[]
            {
                new AclEntry(
                    AclScope.Access,
                    AclType.Group,
                    "2dec2374-3c51-4743-b247-ad6f80ce4f0b",
                    (GrantType.Read | GrantType.Execute)),
                new AclEntry(
                    AclScope.Access,
                    AclType.Group,
                    "62049695-0418-428e-a5e4-64600d6d68d8",
                    (GrantType.Read | GrantType.Write | GrantType.Execute)),
                new AclEntry(
                    AclScope.Default,
                    AclType.Group,
                    "62049695-0418-428e-a5e4-64600d6d68d8",
                    (GrantType.Read | GrantType.Write | GrantType.Execute))
            };
            hdfs.SetAccessControlAsync(fileSystemName, "/", acls).Wait();