Fix IDE0052 Private member can be removed as the value assigned to it is never read

Author: vweijsters

StyleCop.Analyzers/StyleCop.Analyzers/DocumentationRules/PartialElementDocumentationSummaryBase.cs

@@ -21,8 +21,6 @@ namespace StyleCop.Analyzers.DocumentationRules
     /// </summary>
     internal abstract class PartialElementDocumentationSummaryBase : DiagnosticAnalyzer
     {
-        private static readonly XElement EmptyElement = new XElement("empty");
-
         private readonly Action<SyntaxNodeAnalysisContext, StyleCopSettings> typeDeclarationAction;
         private readonly Action<SyntaxNodeAnalysisContext, StyleCopSettings> methodDeclarationAction;
 

StyleCop.Analyzers/StyleCop.Analyzers/Helpers/FileHeader.cs

@@ -12,7 +12,6 @@ namespace StyleCop.Analyzers.Helpers
     internal class FileHeader
     {
         private readonly int fileHeaderStart;
-        private readonly int fileHeaderEnd;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="FileHeader"/> class.
@@ -24,7 +23,6 @@ internal FileHeader(string copyrightText, int fileHeaderStart, int fileHeaderEnd
         {
             this.CopyrightText = copyrightText;
             this.fileHeaderStart = fileHeaderStart;
-            this.fileHeaderEnd = fileHeaderEnd;
         }
 
         /// <summary>

StyleCop.Analyzers/StyleCop.Analyzers/LightJson/JsonObject.cs

@@ -217,8 +217,10 @@ public KeyValuePair[] Keys
             [DebuggerDisplay("{value.ToString(),nq}", Name = "{key}", Type = "JsonValue({Type})")]
             public class KeyValuePair
             {
+#pragma warning disable IDE0052 // Remove unread private members
                 [DebuggerBrowsable(DebuggerBrowsableState.Never)]
                 private readonly string key;
+#pragma warning restore IDE0052 // Remove unread private members
 
                 [DebuggerBrowsable(DebuggerBrowsableState.Never)]
                 private readonly JsonValue value;

StyleCop.Analyzers/StyleCop.Analyzers/NamingRules/SA1303ConstFieldNamesMustBeginWithUpperCaseLetter.cs

@@ -51,7 +51,7 @@ public override void Initialize(AnalysisContext context)
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
             context.EnableConcurrentExecution();
 
-            context.RegisterSymbolAction(Analyzer.HandleFieldDeclaration, SymbolKind.Field);
+            context.RegisterSymbolAction(FieldDeclarationAction, SymbolKind.Field);
         }
 
         private static class Analyzer

StyleCop.Analyzers/StyleCop.Analyzers/ReadabilityRules/SA1130UseLambdaSyntax.cs

@@ -27,7 +27,6 @@ internal class SA1130UseLambdaSyntax : DiagnosticAnalyzer
         private static readonly LocalizableString MessageFormat = new LocalizableResourceString(nameof(ReadabilityResources.SA1130MessageFormat), ReadabilityResources.ResourceManager, typeof(ReadabilityResources));
         private static readonly LocalizableString Description = new LocalizableResourceString(nameof(ReadabilityResources.SA1130Description), ReadabilityResources.ResourceManager, typeof(ReadabilityResources));
         private static readonly string HelpLink = "https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1130.md";
-        private static readonly ParameterListSyntax EmptyParameterList = SyntaxFactory.ParameterList();
 
         private static readonly DiagnosticDescriptor Descriptor =
             new DiagnosticDescriptor(DiagnosticId, Title, MessageFormat, AnalyzerCategory.ReadabilityRules, DiagnosticSeverity.Warning, AnalyzerConstants.EnabledByDefault, Description, HelpLink);