minor cleanups (#718)

Author: RichardIrons-neo4j

Neo4j.Driver/Neo4j.Driver/Auth/AuthTokens.cs

@@ -176,8 +176,7 @@ public static IAuthToken Custom(
     /// an authentication token that can be used to connect to Neo4j.
     /// </summary>
     /// <remarks>
-    ///     <see
-    ///         cref="GraphDatabase.Driver(string, IAuthToken, System.Action{Neo4j.Driver.ConfigBuilder}(Neo4j.Driver.ConfigBuilder))"/>
+    ///     <see cref="GraphDatabase.Driver(string, IAuthToken, System.Action{Neo4j.Driver.ConfigBuilder})"/>
     /// </remarks>
     /// <param name="token">Base64 encoded token</param>
     /// <returns>An authentication token that can be used to connect to Neo4j.</returns>

Neo4j.Driver/Neo4j.Driver/Internal/Auth/AuthToken.cs

@@ -50,7 +50,7 @@ public override bool Equals(object obj)
         return obj is AuthToken a && Equals(a);
     }
 
-    protected bool Equals(AuthToken other)
+    private bool Equals(AuthToken other)
     {
         if (ReferenceEquals(this, other))
         {

Neo4j.Driver/Neo4j.Driver/Internal/ExecuteQuery/ExecutableQuery.cs

@@ -28,8 +28,6 @@ internal class ExecutableQuery<TIn, TOut> : IExecutableQuery<TIn, TOut>, IQueryR
     private readonly List<Func<TOut, bool>> _filters = new();
     private readonly Func<TIn, TOut> _mapper;
     private readonly IQueryRowSource<TIn> _rowSource;
-    private Action<TOut, TIn, TOut> _accumulateValue;
-    private Func<TOut> _reduceSeed;
 
     internal ExecutableQuery(
         IQueryRowSource<TIn> rowSource,

Neo4j.Driver/Neo4j.Driver/Internal/ExecuteQuery/ReducedExecutableQuery.cs

@@ -24,8 +24,6 @@ namespace Neo4j.Driver;
 internal class ReducedExecutableQuery<TSource, TAccumulate, TResult> : IReducedExecutableQuery<TResult>
 {
     private readonly Func<TAccumulate, TSource, TAccumulate> _accumulate;
-    private readonly Query _query;
-    private readonly QueryConfig _queryConfig;
     private readonly IQueryRowSource<TSource> _rowSource;
     private readonly Func<TAccumulate> _seed;
     private readonly Func<TAccumulate, TResult> _selectResult;

Neo4j.Driver/Neo4j.Driver/Internal/Result/SummaryBuilder.cs

@@ -320,13 +320,12 @@ public Notification(
         Title = title;
         Description = description;
         Position = position;
-        Severity = severity;
         RawSeverityLevel = severity;
         RawCategory = rawCategory;
     }
 
     public string RawSeverityLevel { get; }
-    public NotificationSeverity SeverityLevel => ParseSeverity(Severity);
+    public NotificationSeverity SeverityLevel => ParseSeverity(RawSeverityLevel);
     public string RawCategory { get; }
     public NotificationCategory Category => ParseCategory(RawCategory);
     public string Code { get; }
@@ -335,7 +334,7 @@ public Notification(
     public IInputPosition Position { get; }
 
     [Obsolete("Deprecated, Replaced by RawSeverityLevel. Will be removed in 6.0")]
-    public string Severity { get; }
+    public string Severity => RawSeverityLevel;
 
     private NotificationCategory ParseCategory(string category)
     {

Neo4j.Driver/Neo4j.Driver/Neo4jException.cs

@@ -371,6 +371,10 @@ public TokenExpiredException(string message) : base(ErrorCode, message)
     {
     }
 
+    /// <summary>
+    /// Whether or not the exception is retriable. If the exception is retriable, the driver will try to
+    /// re-run the operation that caused the exception.
+    /// </summary>
     public override bool IsRetriable => Retriable;
 
     internal static bool IsTokenExpiredError(string code)
@@ -587,6 +591,7 @@ public TransactionClosedException(string message) : base(message)
 [DataContract]
 public class UnsupportedFeatureException : ClientException
 {
+    /// <inheritdoc />
     public override bool IsRetriable => false;
 
     /// <summary>