System.DateTimeOffset.ToUnixTimeMilliseconds()

public void WriteBytes(DateTime dateTime, SerializationContext context)
        {
            context.Buffer.WriteToBuffer((byte)Amf3Type.Date);

            var refIndex = context.ObjectReferenceTable.IndexOf(dateTime);
            uint header = 0;
            if (refIndex >= 0)
            {
                header = (uint)refIndex << 1;

                WriteU29BytesImpl(header, context);
                return;
            }
            context.ObjectReferenceTable.Add(dateTime);

            var timeOffset = new DateTimeOffset(dateTime);
            var timestamp = timeOffset.ToUnixTimeMilliseconds();
            header = 0x01;
            WriteU29BytesImpl(header, context);
            var backend = _arrayPool.Rent(sizeof(double));
            try
            {
                var contractRet = NetworkBitConverter.TryGetBytes(timestamp, backend);
                Contract.replacedert(contractRet);
                context.Buffer.WriteToBuffer(backend.replacedpan(0, sizeof(double)));
            }
            finally
            {
                _arrayPool.Return(backend);
            }

        }

public void WriteBytes(DateTime dateTime, SerializationContext context)
        {
            var bytesNeed = Amf0CommonValues.MARKER_LENGTH + sizeof(double) + sizeof(short);

            var backend = _arrayPool.Rent(bytesNeed);
            try
            {
                var buffer = backend.replacedpan(0, bytesNeed);
                buffer.Slice(0, bytesNeed).Clear();
                buffer[0] = (byte)Amf0Type.Date;
                var dof = new DateTimeOffset(dateTime);
                var timestamp = (double)dof.ToUnixTimeMilliseconds();
                var contractRet = NetworkBitConverter.TryGetBytes(timestamp, buffer.Slice(Amf0CommonValues.MARKER_LENGTH));
                Contract.replacedert(contractRet);
                context.Buffer.WriteToBuffer(buffer);
            }
            finally
            {
                _arrayPool.Return(backend);
            }

        }

private static long UnixTimestampMillisecondsFromDateTime(DateTime dateTime)
        {
            var offset = new DateTimeOffset(dateTime);
            return offset.ToUnixTimeMilliseconds();
        }

public static IFlurlRequest WithSignHeaders(this IFlurlRequest request, MusicallyClient api)
        {
            var requestId = Guid.NewGuid().ToString();
            var requestInfo = JsonConvert.SerializeObject(new RequestInfo
            {
                Os = "android 8.0.0",
                Version = "6.9.0",
                SliderShowCookie = string.Empty,
                XRequestId = requestId,
                Url = request.Url.ToString(),
                OsType = "android",
                DeviceId = api.Cache.Device.DeviceId,
                Timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()
            });

            var requestInfoEncoded = Convert.ToBase64String(Encoding.UTF8.GetBytes(requestInfo));
            var requestSignature = api.ApiSignature.GetSignature(requestInfoEncoded, api.Cache.Device.DeviceId).GetAwaiter().GetResult();

            return request
                .WithHeader("X-Request-ID", requestId)
                .WithHeader("X-Request-Info5", requestInfoEncoded)
                .WithHeader("X-Request-Sign5", requestSignature.Sign);
        }

public static long GetUnixTime(DateTimeOffset dto)
            => dto.ToUnixTimeMilliseconds();

public static string DateTime2TimeStamp(bool milliseconds = false)
        {
            // 废止
            //var ts = DateTime.Now - _startedDate;
            //return Convert.ToInt64(milliseconds ? ts.TotalMilliseconds : ts.TotalSeconds).ToString();

            return milliseconds ? DateTimeOffset.UtcNow.ToUnixTimeMilliseconds().ToString() :
                DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
        }

public virtual AllureLifecycle StopFixture(string uuid)
        {
            var fixture = storage.Remove<FixtureResult>(uuid);
            storage.ClearStepContext();
            fixture.stage = Stage.finished;
            fixture.stop = DateTimeOffset.Now.ToUnixTimeMilliseconds();
            return this;
        }

public virtual AllureLifecycle StartTestCase(TestResult testResult)
        {
            testResult.stage = Stage.running;
            testResult.start = DateTimeOffset.Now.ToUnixTimeMilliseconds();
            storage.Put(testResult.uuid, testResult);
            storage.ClearStepContext();
            storage.StartStep(testResult.uuid);
            return this;
        }

private void StartFixture(string uuid, FixtureResult fixtureResult)
        {
            storage.Put(uuid, fixtureResult);
            fixtureResult.stage = Stage.running;
            fixtureResult.start = DateTimeOffset.Now.ToUnixTimeMilliseconds();
            storage.ClearStepContext();
            storage.StartStep(uuid);
        }

public virtual AllureLifecycle StopTestCase(string uuid)
        {
            var testResult = storage.Get<TestResult>(uuid);
            testResult.stage = Stage.finished;
            testResult.stop = DateTimeOffset.Now.ToUnixTimeMilliseconds();
            storage.ClearStepContext();
            return this;
        }

public virtual AllureLifecycle StartStep(string parentUuid, string uuid, StepResult stepResult)
        {
            stepResult.stage = Stage.running;
            stepResult.start = DateTimeOffset.Now.ToUnixTimeMilliseconds();
            storage.StartStep(uuid);
            storage.AddStep(parentUuid, uuid, stepResult);
            return this;
        }

public virtual AllureLifecycle StopStep(string uuid)
        {
            var step = storage.Remove<StepResult>(uuid);
            step.stage = Stage.finished;
            step.stop = DateTimeOffset.Now.ToUnixTimeMilliseconds();
            storage.StopStep();
            return this;
        }

public virtual AllureLifecycle StartTestContainer(TestResultContainer container)
        {
            container.start = DateTimeOffset.Now.ToUnixTimeMilliseconds();
            storage.Put(container.uuid, container);
            return this;
        }

public virtual AllureLifecycle StopTestContainer(string uuid)
        {
            UpdateTestContainer(uuid, c => c.stop = DateTimeOffset.Now.ToUnixTimeMilliseconds());
            return this;
        }

public static double GetTotalMilliseconds(this in DateTime dt) => new DateTimeOffset(dt).ToUnixTimeMilliseconds();

private void dateEdit1_EditValueChanged(object sender, EventArgs e)
        {
            textEdit1.Text = new DateTimeOffset(dateEdit1.DateTime).ToUnixTimeMilliseconds().ToString();
        }

private void sbtnToUnix_Click(object sender, EventArgs e)
        {
            textEdit1.Text = new DateTimeOffset(dateEdit1.DateTime).ToUnixTimeMilliseconds().ToString();

        }

[Test]
        public void Create_Meeting_Registrants_With_Preplacedword_Returns_Registrant()
        {
            // Arrange
            GetUser();
            GenerateMeeting(PreplacedWORD);
            _meeting = _sut.Meetings.CreateMeeting(_userEmail, _meeting);

            // Act
            var result = _sut.Meetings.CreateMeetingRegistrant(_meeting.Id, new CreateMeetingRegistrant
            {
                Email     = $"test{DateTimeOffset.Now.ToUnixTimeMilliseconds()}@gmail.com",
                FirstName = "FirstName",
                LastName  = "LastName"
            });

            // replacedert
            result.ShouldNotBeNull();
            result.JoinUrl.ShouldNotBeNullOrWhiteSpace();
            result.JoinUrl.ShouldContain("pwd=", "JoinUrl=" + _meeting.JoinUrl);
        }

[Test]
        public void Create_Meeting_Registrants_Without_Preplacedword_Returns_Registrant()
        {
            // Arrange
            GetUser();
            GenerateMeeting();
            _meeting = _sut.Meetings.CreateMeeting(_userEmail, _meeting);

            // Act
            var result = _sut.Meetings.CreateMeetingRegistrant(_meeting.Id, new CreateMeetingRegistrant
            {
                Email     = $"test{DateTimeOffset.Now.ToUnixTimeMilliseconds()}@gmail.com",
                FirstName = "FirstName",
                LastName  = "LastName"
            });

            // replacedert
            result.ShouldNotBeNull();
            result.JoinUrl.ShouldNotBeNullOrWhiteSpace();
            result.JoinUrl.ShouldNotContain("pwd=", "JoinUrl=" + _meeting.JoinUrl);
        }

[Test]
        public void Load_Groups_Returns_List()
        {
            // Arrange
            var group = _sut.Groups.CreateGroup(new Models.Groups.CreateGroup
            {
                Name = $"Test Group {DateTimeOffset.Now.ToUnixTimeMilliseconds()}"
            });
            group.Id.ShouldNotBeNullOrWhiteSpace();

            // Act
            var result = _sut.Groups.GetGroups();

            // replacedert
            result.ShouldNotBeNull();
            result.Groups.ShouldNotBeNull();
            result.Groups.Count.ShouldBeGreaterThan(0);

            // Cleanup
            _sut.Groups.DeleteGroup(group.Id);
        }

[Test]
        public void Get_Group_Returns_Valid_Group()
        {
            // Arrange
            var group = _sut.Groups.CreateGroup(new Models.Groups.CreateGroup
            {
                Name = $"Test Group {DateTimeOffset.Now.ToUnixTimeMilliseconds()}"
            });
            group.Id.ShouldNotBeNullOrWhiteSpace();

            // Act
            var result = _sut.Groups.GetGroup(group.Id);

            // replacedert
            result.ShouldNotBeNull();
            result.Id.ShouldNotBeNull();
            result.Name.ShouldNotBeNullOrWhiteSpace();

            // Cleanup
            _sut.Groups.DeleteGroup(group.Id);
        }

[Test]
        public void Get_Group_Members_Returns_List()
        {
            // Arrange
            var group = _sut.Groups.CreateGroup(new Models.Groups.CreateGroup
            {
                Name = $"Test Group {DateTimeOffset.Now.ToUnixTimeMilliseconds()}"
            });
            group.Id.ShouldNotBeNullOrWhiteSpace();
            GetUser();
            _sut.Groups.AddGroupMembers(group.Id, new List<Models.Groups.CreateMember>
            {
                new Models.Groups.CreateMember
                {
                    Email = _userEmail
                }
            });

            // Act
            var result = _sut.Groups.GetGroupMembers(group.Id);

            // replacedert
            result.ShouldNotBeNull();
            result.TotalRecords.ShouldBeGreaterThan(0);
            result.Members.ShouldNotBeNull();
            result.Members.FirstOrDefault().Email.ShouldBe(_userEmail);

            // Cleanup
            _sut.Groups.DeleteGroup(group.Id);
        }

[Test]
        public void Update_Meeting_Registrants_Returns_Success()
        {
            // Arrange
            GetUser();
            GenerateMeeting();
            _meeting = _sut.Meetings.CreateMeeting(_userEmail, _meeting);
            var registrant = _sut.Meetings.CreateMeetingRegistrant(_meeting.Id, new CreateMeetingRegistrant
            {
                Email = $"test{DateTimeOffset.Now.ToUnixTimeMilliseconds()}@gmail.com",
                FirstName = "FirstName",
                LastName = "LastName"
            });

            // Act
            var result = _sut.Meetings.UpdateMeetingRegistrant(_meeting.Id, new List<UpdateMeetingRegistrant> { new UpdateMeetingRegistrant { Email = registrant.Email } }, UpdateMeetingRegistrantStatuses.Approve);

            // replacedert
            result.ShouldNotBeNull();
            result.ShouldBe(true);
        }

[Test]
        public void Update_Invalid_Meeting_Registrants_Throws_Exception()
        {
            // Arrange

            // Act
            var exception = replacedert.Throws<Exception>(() => _sut.Meetings.CreateMeetingRegistrant("99999999", new CreateMeetingRegistrant
            {
                Email = $"test{DateTimeOffset.Now.ToUnixTimeMilliseconds()}@gmail.com",
                FirstName = "FirstName",
                LastName = "LastName"
            }));

            // replacedert
            exception.ShouldNotBeNull("Exception");
            exception.Message.ShouldNotBeNull("Message");
            exception.Message.ShouldContain(MISSING_MEETING_ERROR_STRING);
        }

[Test]
        public void Update_User_Returns_Valid_User()
        {
            // Arrange
            GetUser();
            var user = _sut.Users.GetUser(_userEmail);
            var originalLastName = user.LastName;
            var newLastName = $"Last Name {DateTimeOffset.Now.ToUnixTimeMilliseconds()}";
            var updateUser = new UpdateUser
            {
                FirstName = user.FirstName,
                LastName = newLastName
            };

            // Act
            var result = _sut.Users.UpdateUser(_userEmail, updateUser);

            // replacedert
            result.ShouldNotBeNull();
            result.ShouldBe(true);
            user = _sut.Users.GetUser(_userEmail);
            user.Email.ShouldBe(_userEmail);
            user.LastName.ShouldBe(newLastName);

            // Cleanup
            _sut.Users.UpdateUser(_userEmail, new UpdateUser
            {
                FirstName = user.FirstName,
                LastName = originalLastName
            });
        }

[Test]
        public void Update_User_Email_Returns_Success()
        {
            // Arrange
            GetUser();
            var user = _sut.Users.GetUser(_userEmail);
            var originalEmail = _userEmail;
            var newEmail = $"testuser{DateTimeOffset.Now.ToUnixTimeMilliseconds()}@gmail.com";

            // Act
            var result = _sut.Users.UpdateUserEmail(originalEmail, newEmail);

            // replacedert
            result.ShouldNotBeNull();
            result.ShouldBe(true);
            user = _sut.Users.GetUser(newEmail);
            user.Email.ShouldBe(newEmail);

            // Cleanup
            _sut.Users.UpdateUserEmail(newEmail, originalEmail);
        }

void GenerateMeeting(string preplacedword = null)
        {
            _meeting = new Meeting
            {
                Duration   = 60,
                Preplacedword   = preplacedword,
                Settings   = new MeetingSettings
                {
                    EnableHostVideo        = true,
                    EnableParticipantVideo = true,
                    EnableJoinBeforeHost   = false,
                    ApprovalType           = MeetingApprovalTypes.Automatic,
                    AutoRecording          = MeetingAutoRecordingOptions.Cloud,
                    EnableEnforceLogin     = true
                },
                StartTime = DateTimeOffset.Now,
                Topic     = "Test Meeting " + DateTimeOffset.Now.ToUnixTimeMilliseconds(),
                Type      = MeetingTypes.Scheduled,
            };
        }

public static long ToUnixTimestampByMilliseconds(DateTime dt)
        {
            DateTimeOffset dto = new DateTimeOffset(dt);
            return dto.ToUnixTimeMilliseconds();
        }

public static void End()
        {
            NewLine();
            long start = startTimes[indent];
            indent = Math.Max(0, indent - 1);
            Debug.WriteLine(Leader() + "done" + " [" + ((DateTimeOffset.Now.ToUnixTimeMilliseconds() - start) / 1000) + "s]");
        }

public static void Begin(string message)
        {
            NewLine();
            Debug.WriteLine(Leader() + message + "... ");
            atEOL = true;
            indent++;
            startTimes[indent] = DateTimeOffset.Now.ToUnixTimeMilliseconds();
        }

[Test, Timeout(20_000)]
        public void TestDeliveryDelayHasItsReflectionInAmqpAnnotations()
        {
            using (TestAmqpPeer testPeer = new TestAmqpPeer())
            {
                // Determine current time
                TimeSpan deliveryDelay = TimeSpan.FromMinutes(17);
                long currentUnixEpochTime = new DateTimeOffset(DateTime.UtcNow + deliveryDelay).ToUnixTimeMilliseconds();
                long currentUnixEpochTime2 = new DateTimeOffset(DateTime.UtcNow + deliveryDelay + deliveryDelay).ToUnixTimeMilliseconds();

                IConnection connection = base.EstablishConnection(testPeer,
                    serverCapabilities: new Symbol[] {SymbolUtil.OPEN_CAPABILITY_DELAYED_DELIVERY, SymbolUtil.OPEN_CAPABILITY_SOLE_CONNECTION_FOR_CONTAINER});
                testPeer.ExpectBegin();
                testPeer.ExpectSenderAttach();


                ISession session = connection.CreateSession(AcknowledgementMode.AutoAcknowledge);
                IQueue queue = session.GetQueue("myQueue");
                IMessageProducer producer = session.CreateProducer(queue);
                producer.DeliveryDelay = deliveryDelay;

                // Create and transfer a new message
                testPeer.ExpectTransfer(message =>
                {
                    replacedert.GreaterOrEqual((long) message.MessageAnnotations[SymbolUtil.NMS_DELIVERY_TIME], currentUnixEpochTime);
                    replacedert.Less((long) message.MessageAnnotations[SymbolUtil.NMS_DELIVERY_TIME], currentUnixEpochTime2);

                    replacedert.IsTrue(message.Header.Durable);
                });
                testPeer.ExpectClose();

                ITextMessage textMessage = session.CreateTextMessage();

                producer.Send(textMessage);
                replacedert.AreEqual(MsgDeliveryMode.Persistent, textMessage.NMSDeliveryMode);

                connection.Close();

                testPeer.WaitForAllMatchersToComplete(1000);
            }
        }

private long CurrentTimeInMillis()
        {
            return new DateTimeOffset(DateTime.UtcNow).ToUnixTimeMilliseconds();
        }

[Test]
        public void TestNMSDeliveryTime_Set_ShouldHaveMessageAnnotations()
        {
            AmqpNmsMessageFacade msg = new AmqpNmsMessageFacade();
            
            Mock<IAmqpConnection> mockAmqpConnection = new Mock<IAmqpConnection>();
            
            msg.Initialize(mockAmqpConnection.Object);
            var deliveryTime = DateTime.UtcNow.AddMinutes(2);
            msg.DeliveryTime = deliveryTime;

            replacedert.AreEqual(new DateTimeOffset(deliveryTime).ToUnixTimeMilliseconds(), msg.MessageAnnotations[SymbolUtil.NMS_DELIVERY_TIME]);
        }

[Test, Timeout(20_000)]
        public async Task TestDeliveryDelayHasItsReflectionInAmqpAnnotations()
        {
            using (TestAmqpPeer testPeer = new TestAmqpPeer())
            {
                // Determine current time
                TimeSpan deliveryDelay = TimeSpan.FromMinutes(17);
                long currentUnixEpochTime = new DateTimeOffset(DateTime.UtcNow + deliveryDelay).ToUnixTimeMilliseconds();
                long currentUnixEpochTime2 = new DateTimeOffset(DateTime.UtcNow + deliveryDelay + deliveryDelay).ToUnixTimeMilliseconds();

                IConnection connection = await base.EstablishConnectionAsync(testPeer,
                    serverCapabilities: new Symbol[] {SymbolUtil.OPEN_CAPABILITY_DELAYED_DELIVERY, SymbolUtil.OPEN_CAPABILITY_SOLE_CONNECTION_FOR_CONTAINER});
                testPeer.ExpectBegin();
                testPeer.ExpectSenderAttach();


                ISession session = await connection.CreateSessionAsync(AcknowledgementMode.AutoAcknowledge);
                IQueue queue = await session.GetQueueAsync("myQueue");
                IMessageProducer producer = await session.CreateProducerAsync(queue);
                producer.DeliveryDelay = deliveryDelay;

                // Create and transfer a new message
                testPeer.ExpectTransfer(message =>
                {
                    replacedert.GreaterOrEqual((long) message.MessageAnnotations[SymbolUtil.NMS_DELIVERY_TIME], currentUnixEpochTime);
                    replacedert.Less((long) message.MessageAnnotations[SymbolUtil.NMS_DELIVERY_TIME], currentUnixEpochTime2);

                    replacedert.IsTrue(message.Header.Durable);
                });
                testPeer.ExpectClose();

                ITextMessage textMessage = await session.CreateTextMessageAsync();

                await producer.SendAsync(textMessage);
                replacedert.AreEqual(MsgDeliveryMode.Persistent, textMessage.NMSDeliveryMode);

                await connection.CloseAsync();

                testPeer.WaitForAllMatchersToComplete(1000);
            }
        }

public static async ValueTask Seek(this ISeek seeker, DateTime publishTime, CancellationToken cancellationToken = default)
        => await seeker.Seek((ulong) new DateTimeOffset(publishTime).ToUnixTimeMilliseconds(), cancellationToken).ConfigureAwait(false);

public static async ValueTask Seek(this ISeek seeker, DateTimeOffset publishTime, CancellationToken cancellationToken = default)
        => await seeker.Seek((ulong) publishTime.ToUnixTimeMilliseconds(), cancellationToken).ConfigureAwait(false);

public static void SetDeliverAtTime(this Metadata metadata, DateTimeOffset timestamp)
        => metadata.DeliverAtTime = timestamp.ToUnixTimeMilliseconds();

public static void SetEventTime(this Metadata metadata, DateTimeOffset timestamp)
        => metadata.EventTime = (ulong) timestamp.ToUnixTimeMilliseconds();

public ReadOnlySequence<byte> Encode(DateTime message)
    {
        var milliseconds = new DateTimeOffset(message).ToUnixTimeMilliseconds();
        return Schema.Int64.Encode(milliseconds);
    }

public async Task<CommandSendReceipt> Send(MessageMetadata metadata, ReadOnlySequence<byte> payload, CancellationToken cancellationToken)
    {
        var sendPackage = _sendPackagePool.Get();

        try
        {
            metadata.PublishTime = (ulong) DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
            metadata.ProducerName = _name;

            if (metadata.SchemaVersion is null && _schemaVersion is not null)
                metadata.SchemaVersion = _schemaVersion;

            if (sendPackage.Command is null)
            {
                sendPackage.Command = new CommandSend
                {
                    ProducerId = _id,
                    NumMessages = 1
                };
            }

            sendPackage.Command.SequenceId = metadata.SequenceId;
            sendPackage.Metadata = metadata;

            if (_compressorFactory is null)
                sendPackage.Payload = payload;
            else
            {
                sendPackage.Metadata.Compression = _compressorFactory.CompressionType;
                sendPackage.Metadata.UncompressedSize = (uint) payload.Length;
                using var compressor = _compressorFactory.Create();
                sendPackage.Payload = compressor.Compress(payload);
            }

            var response = await _connection.Send(sendPackage, cancellationToken).ConfigureAwait(false);
            response.Expect(BaseCommand.Type.SendReceipt);
            return response.SendReceipt;
        }
        finally
        {
            _sendPackagePool.Return(sendPackage);
        }
    }

protected virtual void Emit<TEvent>(TEvent aggregateEvent, IDictionary<string,string> metadata = null)
            where TEvent : clreplaced, IAggregateEvent<TAggregate>
        {
            Ensure.Any.IsNotNull(aggregateEvent, nameof(aggregateEvent));

            if (_applying)
                throw new InvalidOperationException("Emit shall not be called during Apply phase. Do it before or after Emitting an event");

            var aggregateSequenceNumber = Version + 1;
            var eventId = $"{Name}/{Identifier}/{aggregateSequenceNumber:D20}";
            var now = DateTimeOffset.Now;

            IMetadata eventMetadata = new Metadata
            {
                Timestamp = now,
                AggregateVersion = aggregateSequenceNumber,
                AggregateName = Name,
                AggregateId = Identifier,
                EventId = eventId,
                EventName = AggregateHelper<TAggregate>.EventHelper<TEvent>.Name,
                //EventVersion = AggregateHelper<TAggregate>.EventHelper<TEvent>.Version,
                TimestampEpoch = now.ToUnixTimeMilliseconds()
            };

            if (metadata != null)
            {
                eventMetadata = eventMetadata.CloneWith(metadata);
            }

            var uncommittedEvent = new AggregateEventEnvelope<TAggregate>(aggregateEvent, eventMetadata);

            _apply(uncommittedEvent);

            _uncommittedAggregateEvents.Add(uncommittedEvent);
        }

protected virtual void Publish<TEvent>(TEvent domainEvent, IMetadata metadata = null)
            where TEvent : clreplaced, IDomainEvent
        {
            Ensure.Any.IsNotNull(domainEvent, nameof(domainEvent));

            if (_applying)
                throw new InvalidOperationException("Publish shall not be called during Apply phase. Do it before or after Emitting an event");

            var now = DateTimeOffset.Now;
            var eventMetadata = new Metadata
            {
                Timestamp = now,                
                EventId = Guid.NewGuid().ToString(),
                TimestampEpoch = now.ToUnixTimeMilliseconds(),

                AggregateVersion = Version,
                AggregateName = Name,
                AggregateId = Identifier,
            };

            if (metadata != null)
            {
                eventMetadata.CloneWith(metadata.Values);
            }

            _uncommittedDomainEvents.Add(new DomainEventEnvelope(domainEvent, eventMetadata));
        }

public static long ToEpochMilliseconds(DateTime utcTime) => new DateTimeOffset(utcTime).ToUnixTimeMilliseconds();

public async static Task<CibRate> GetRates(this ICibRate cibRate)
        {
            await cibRate.Prepare().ConfigureAwait(false);
            return await cibRate.GetRates(DateTimeOffset.UtcNow.ToUnixTimeMilliseconds()).ConfigureAwait(false);
        }

private static bool GetRandomBool() => DateTimeOffset.Now.ToUnixTimeMilliseconds() % 2 == 0;

public static long ToUtcMilliTime(this DateTimeOffset given) => given.ToUnixTimeMilliseconds();

private static HCIM_IN_GetDemographicsRequest CreateRequest(OIDType oidType, string identifierValue)
        {
            using (Source.StartActivity("CreatePatientSOAPRequest"))
            {
                HCIM_IN_GetDemographics request = new HCIM_IN_GetDemographics();
                request.id = new II() { root = "2.16.840.1.113883.3.51.1.1.1", extension = DateTimeOffset.Now.ToUnixTimeMilliseconds().ToString(System.Globalization.CultureInfo.InvariantCulture) };
                request.creationTime = new TS() { value = System.DateTime.Now.ToString("yyyyMMddHHmmss", System.Globalization.CultureInfo.InvariantCulture) };
                request.versionCode = new CS() { code = "V3PR1" };
                request.interactionId = new II() { root = "2.16.840.1.113883.3.51.1.1.2", extension = "HCIM_IN_GetDemographics" };
                request.processingCode = new CS() { code = "P" };
                request.processingModeCode = new CS() { code = "T" };
                request.acceptAckCode = new CS() { code = "NE" };

                request.receiver = new MCCI_MT000100Receiver() { typeCode = "RCV" };
                request.receiver.device = new MCCI_MT000100Device() { determinerCode = "INSTANCE", clreplacedCode = "DEV" };
                request.receiver.device.id = new II() { root = "2.16.840.1.113883.3.51.1.1.4", extension = "192.168.0.1" };
                request.receiver.device.asAgent = new MCCI_MT000100Agent() { clreplacedCode = "AGNT" };
                request.receiver.device.asAgent.representedOrganization = new MCCI_MT000100Organization() { determinerCode = "INSTANCE", clreplacedCode = "ORG" };
                request.receiver.device.asAgent.representedOrganization = new MCCI_MT000100Organization() { determinerCode = "INSTANCE", clreplacedCode = "ORG" };
                request.receiver.device.asAgent.representedOrganization.id = new II() { root = "2.16.840.1.113883.3.51.1.1.3", extension = "HCIM" };

                request.sender = new MCCI_MT000100Sender() { typeCode = "SND" };
                request.sender.device = new MCCI_MT000100Device() { determinerCode = "INSTANCE", clreplacedCode = "DEV" };
                request.sender.device.id = new II() { root = "2.16.840.1.113883.3.51.1.1.5", extension = "MOH_CRS" };
                request.sender.device.asAgent = new MCCI_MT000100Agent() { clreplacedCode = "AGNT" };
                request.sender.device.asAgent.representedOrganization = new MCCI_MT000100Organization() { determinerCode = "INSTANCE", clreplacedCode = "ORG" };
                request.sender.device.asAgent.representedOrganization = new MCCI_MT000100Organization() { determinerCode = "INSTANCE", clreplacedCode = "ORG" };
                request.sender.device.asAgent.representedOrganization.id = new II() { root = "2.16.840.1.113883.3.51.1.1.3", extension = "HGWAY" };

                request.controlActProcess = new HCIM_IN_GetDemographicsQUQI_MT020001ControlActProcess() { clreplacedCode = "ACCM", moodCode = "EVN" };
                request.controlActProcess.effectiveTime = new IVL_TS() { value = System.DateTime.Now.ToString("yyyyMMddHHmmss", System.Globalization.CultureInfo.InvariantCulture) };
                request.controlActProcess.dataEnterer = new QUQI_MT020001DataEnterer() { typeCode = "CST", time = null, typeId = null };
                request.controlActProcess.dataEnterer.replacedignedPerson = new COCT_MT090100replacedignedPerson() { clreplacedCode = "ENT" };

                request.controlActProcess.dataEnterer.replacedignedPerson.id = new II() { root = "2.16.840.1.113883.3.51.1.1.7", extension = "HLTHGTWAY" };

                request.controlActProcess.queryByParameter = new HCIM_IN_GetDemographicsQUQI_MT020001QueryByParameter();
                request.controlActProcess.queryByParameter.queryByParameterPayload = new HCIM_IN_GetDemographicsQueryByParameterPayload();
                request.controlActProcess.queryByParameter.queryByParameterPayload.personid = new HCIM_IN_GetDemographicsPersonid();
                request.controlActProcess.queryByParameter.queryByParameterPayload.personid.value = new II() { root = oidType.ToString(), extension = identifierValue, replacedigningAuthorityName = "LCTZ_IAS" };

                return new HCIM_IN_GetDemographicsRequest(request);
            }
        }

public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
        {
            var date = ((DateTimeOffset)value);
            if (date <= DateTime.UtcNow.AddHours(1))
            {
                writer.WriteNumberValue(0);
            }
            else
            {
                long unixTime = date.ToUnixTimeMilliseconds();
                writer.WriteNumberValue(unixTime);
            }
        }

public void WriteTo(Stream stream)
        {
            var dateTime = (double)this.Value.ToUnixTimeMilliseconds();
            var localDateTimeOffset = (short)this.Value.Offset.TotalMinutes;
            var buffer1 = new byte[sizeof(double)];
            var buffer2 = new byte[sizeof(ushort)];
            BinaryPrimitives.WriteInt64BigEndian(buffer1, BitConverter.DoubleToInt64Bits(dateTime));
            BinaryPrimitives.WriteInt16BigEndian(buffer2, localDateTimeOffset);
            stream.WriteByte((byte)this.Type);
            stream.Write(buffer1);
            stream.Write(buffer2);
        }

protected virtual bool IsTimeUpForSidechainPhase(long sidechainPhaseEndDate, int deltaToExecuteTransactions)
        {
            return sidechainPhaseEndDate * 1000 - deltaToExecuteTransactions <= DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
        }

See More Examples