Revert "Move payload command component sizes into constants + make inactive connections closing interval configurable (#19)"

This reverts commit 21914ba7fe5d4e1891f54a8225f96eb338877ec4.
diff --git a/src/DotPulsar/Abstractions/IPulsarClientBuilder.cs b/src/DotPulsar/Abstractions/IPulsarClientBuilder.cs
index 37e0e9f..3010b84 100644
--- a/src/DotPulsar/Abstractions/IPulsarClientBuilder.cs
+++ b/src/DotPulsar/Abstractions/IPulsarClientBuilder.cs
@@ -74,11 +74,6 @@
         IPulsarClientBuilder VerifyCertificateName(bool verifyCertificateName);
 
         /// <summary>
-        /// The time to wait before checking for inactive connections that can be closed. The default is 60 seconds.
-        /// </summary>
-        IPulsarClientBuilder CloseInactiveConnectionsInterval(TimeSpan interval);
-
-        /// <summary>
         /// Create the client.
         /// </summary>
         IPulsarClient Build();
diff --git a/src/DotPulsar/Internal/ConnectionPool.cs b/src/DotPulsar/Internal/ConnectionPool.cs
index d3dff22..00b2907 100644
--- a/src/DotPulsar/Internal/ConnectionPool.cs
+++ b/src/DotPulsar/Internal/ConnectionPool.cs
@@ -36,7 +36,7 @@
         private readonly CancellationTokenSource _cancellationTokenSource;
         private readonly Task _closeInactiveConnections;
 
-        public ConnectionPool(CommandConnect commandConnect, Uri serviceUrl, Connector connector, EncryptionPolicy encryptionPolicy, TimeSpan closeInactiveConnectionsInterval)
+        public ConnectionPool(CommandConnect commandConnect, Uri serviceUrl, Connector connector, EncryptionPolicy encryptionPolicy)
         {
             _lock = new AsyncLock();
             _commandConnect = commandConnect;
@@ -45,7 +45,7 @@
             _encryptionPolicy = encryptionPolicy;
             _connections = new ConcurrentDictionary<Uri, Connection>();
             _cancellationTokenSource = new CancellationTokenSource();
-            _closeInactiveConnections = CloseInactiveConnections(closeInactiveConnectionsInterval, _cancellationTokenSource.Token);
+            _closeInactiveConnections = CloseInactiveConnections(TimeSpan.FromSeconds(60), _cancellationTokenSource.Token);  //TODO Get '60' from configuration
         }
 
         public async ValueTask DisposeAsync()
diff --git a/src/DotPulsar/Internal/Constants.cs b/src/DotPulsar/Internal/Constants.cs
index c1d5f1c..69b373a 100644
--- a/src/DotPulsar/Internal/Constants.cs
+++ b/src/DotPulsar/Internal/Constants.cs
@@ -28,8 +28,6 @@
             DefaultPulsarPort = 6650;
             DefaultPulsarSSLPort = 6651;
             MagicNumber = new byte[] { 0x0e, 0x01 };
-            MetadataSizeOffset = 6;
-            MetadataOffset = 10;
         }
 
         public static string ClientVersion { get; }
@@ -39,7 +37,5 @@
         public static int DefaultPulsarPort { get; }
         public static int DefaultPulsarSSLPort { get; }
         public static byte[] MagicNumber { get; }
-        public static int MetadataSizeOffset { get; }
-        public static int MetadataOffset { get; }
     }
 }
diff --git a/src/DotPulsar/Internal/ConsumerBuilder.cs b/src/DotPulsar/Internal/ConsumerBuilder.cs
index 64b6c7a..d19f76d 100644
--- a/src/DotPulsar/Internal/ConsumerBuilder.cs
+++ b/src/DotPulsar/Internal/ConsumerBuilder.cs
@@ -103,6 +103,7 @@
                 PriorityLevel = _priorityLevel,
                 ReadCompacted = _readCompacted,
                 SubscriptionType = _subscriptionType
+
             };
 
             return _pulsarClient.CreateConsumer(options);
diff --git a/src/DotPulsar/Internal/Extensions/MessagePackageExtensions.cs b/src/DotPulsar/Internal/Extensions/MessagePackageExtensions.cs
index 5a94334..45afe67 100644
--- a/src/DotPulsar/Internal/Extensions/MessagePackageExtensions.cs
+++ b/src/DotPulsar/Internal/Extensions/MessagePackageExtensions.cs
@@ -19,13 +19,13 @@
     public static class MessagePackageExtensions
     {
         public static uint GetMetadataSize(this MessagePackage package)
-            => package.Data.ReadUInt32(Constants.MetadataSizeOffset, true);
-
-        public static PulsarApi.MessageMetadata ExtractMetadata(this MessagePackage package, uint metadataSize)
-            => Serializer.Deserialize<PulsarApi.MessageMetadata>(package.Data.Slice(Constants.MetadataOffset, metadataSize));
+            => package.Data.ReadUInt32(6, true);  //TODO RK: 6 should be a constant
 
         public static ReadOnlySequence<byte> ExtractData(this MessagePackage package, uint metadataSize)
-            => package.Data.Slice(Constants.MetadataOffset + metadataSize);
+            => package.Data.Slice(10 + metadataSize); //TODO RK: 10 should be a constant
+
+        public static PulsarApi.MessageMetadata ExtractMetadata(this MessagePackage package, uint metadataSize)
+            => Serializer.Deserialize<PulsarApi.MessageMetadata>(package.Data.Slice(10, metadataSize)); //TODO RK: 10 should be a constant
 
         public static bool IsValid(this MessagePackage package)
             => StartsWithMagicNumber(package.Data) && HasValidCheckSum(package.Data);
@@ -34,6 +34,6 @@
             => input.StartsWith(Constants.MagicNumber);
 
         private static bool HasValidCheckSum(ReadOnlySequence<byte> input)
-            => input.ReadUInt32(Constants.MagicNumber.Length, true) == Crc32C.Calculate(input.Slice(Constants.MetadataSizeOffset));
+            => input.ReadUInt32(2, true) == Crc32C.Calculate(input.Slice(6));
     }
-}
+}
\ No newline at end of file
diff --git a/src/DotPulsar/Internal/PulsarClientBuilder.cs b/src/DotPulsar/Internal/PulsarClientBuilder.cs
index dc22d89..c2a61f5 100644
--- a/src/DotPulsar/Internal/PulsarClientBuilder.cs
+++ b/src/DotPulsar/Internal/PulsarClientBuilder.cs
@@ -34,7 +34,6 @@
         private X509Certificate2Collection _clientCertificates;
         private bool _verifyCertificateAuthority;
         private bool _verifyCertificateName;
-        private TimeSpan _closeInactiveConnectionsInterval;
 
         public PulsarClientBuilder()
         {
@@ -50,7 +49,6 @@
             _clientCertificates = new X509Certificate2Collection();
             _verifyCertificateAuthority = true;
             _verifyCertificateName = false;
-            _closeInactiveConnectionsInterval = TimeSpan.FromSeconds(60);
         }
 
         public IPulsarClientBuilder AuthenticateUsingClientCertificate(X509Certificate2 clientCertificate)
@@ -115,12 +113,6 @@
             return this;
         }
 
-        public IPulsarClientBuilder CloseInactiveConnectionsInterval(TimeSpan interval)
-        {
-            _closeInactiveConnectionsInterval = interval;
-            return this;
-        }
-
         public IPulsarClient Build()
         {
             var scheme = _serviceUrl.Scheme;
@@ -145,7 +137,7 @@
                 throw new InvalidSchemeException($"Invalid scheme '{scheme}'. Expected '{Constants.PulsarScheme}' or '{Constants.PulsarSslScheme}'");
 
             var connector = new Connector(_clientCertificates, _trustedCertificateAuthority, _verifyCertificateAuthority, _verifyCertificateName);
-            var connectionPool = new ConnectionPool(_commandConnect, _serviceUrl, connector, _encryptionPolicy.Value, _closeInactiveConnectionsInterval);
+            var connectionPool = new ConnectionPool(_commandConnect, _serviceUrl, connector, _encryptionPolicy.Value);
             var exceptionHandlers = new List<IHandleException>(_exceptionHandlers)
             {
                 new DefaultExceptionHandler(_retryInterval)
diff --git a/src/DotPulsar/Message.cs b/src/DotPulsar/Message.cs
index 53d0693..133169b 100644
--- a/src/DotPulsar/Message.cs
+++ b/src/DotPulsar/Message.cs
@@ -21,7 +21,7 @@
 {
     public sealed class Message
     {
-        private readonly List<Internal.PulsarApi.KeyValue> _keyValues;
+        private readonly List<Internal.PulsarApi.KeyValue> _keyVaues;
         private IReadOnlyDictionary<string, string>? _properties;
 
         internal Message(
@@ -42,7 +42,7 @@
                 Key = metadata.PartitionKey;
                 SequenceId = metadata.SequenceId;
                 OrderingKey = metadata.OrderingKey;
-                _keyValues = metadata.Properties;
+                _keyVaues = metadata.Properties;
             }
             else
             {
@@ -51,7 +51,7 @@
                 Key = singleMetadata.PartitionKey;
                 OrderingKey = singleMetadata.OrderingKey;
                 SequenceId = singleMetadata.SequenceId;
-                _keyValues = singleMetadata.Properties;
+                _keyVaues = singleMetadata.Properties;
             }
         }
 
@@ -76,6 +76,6 @@
         public ulong PublishTime { get; }
         public DateTimeOffset PublishTimeAsDateTimeOffset => DateTimeOffset.FromUnixTimeMilliseconds((long)PublishTime);
 
-        public IReadOnlyDictionary<string, string> Properties => _properties ??= _keyValues.ToDictionary(p => p.Key, p => p.Value);
+        public IReadOnlyDictionary<string, string> Properties => _properties ??= _keyVaues.ToDictionary(p => p.Key, p => p.Value);
     }
 }