Rename to ValueSymbol

Author: BenjaminMichaelis

src/System.CommandLine/CliArgument.cs

@@ -1,7 +1,6 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
-using System.Collections.Generic;
 using System.CommandLine.Binding;
 using System.CommandLine.Parsing;
 
@@ -10,7 +9,7 @@ namespace System.CommandLine
     /// <summary>
     /// A symbol defining a value that can be passed on the command line to a <see cref="CliCommand">command</see> or <see cref="CliOption">option</see>.
     /// </summary>
-    public abstract class CliArgument : CliDataSymbol
+    public abstract class CliArgument : CliValueSymbol
     {
         private ArgumentArity _arity;
         // TODO: custom parser, completion, validators

src/System.CommandLine/CliOption.cs

@@ -10,7 +10,7 @@ namespace System.CommandLine
     /// <summary>
     /// A symbol defining a named parameter and a value for that parameter. 
     /// </summary>
-    public abstract class CliOption : CliDataSymbol
+    public abstract class CliOption : CliValueSymbol
     {
         internal AliasSet? _aliases;
         /*

src/System.CommandLine/CliDataSymbol.cs renamed to src/System.CommandLine/CliValueSymbol.cs

@@ -3,9 +3,9 @@
 
 namespace System.CommandLine;
 
-public abstract class CliDataSymbol : CliSymbol
+public abstract class CliValueSymbol : CliSymbol
 {
-    protected CliDataSymbol(string name, bool allowWhitespace = false)
+    protected CliValueSymbol(string name, bool allowWhitespace = false)
         : base(name, allowWhitespace)
     { }
 

src/System.CommandLine/System.CommandLine.csproj

@@ -27,7 +27,7 @@
     <Compile Include="AliasSet.cs" />
     <Compile Include="ArgumentArity.cs" />
     <Compile Include="Binding\ArgumentConversionResult.cs" />
-    <Compile Include="CliDataSymbol.cs" />
+    <Compile Include="CliValueSymbol.cs" />
     <Compile Include="Parsing\CommandValueResult.cs" />
     <Compile Include="Parsing\SymbolLookupByName.cs" />
     <Compile Include="Parsing\ValueResultOutcome.cs" />