palom-002-01.cs

using System;


class Person
{
    public string Name 
    { 
        get;
        set 
        {
            field = value ?? throw new ArgumentNullException(nameof(value));
        }
    } = "";
}

​palom-002-01.decompiled.cs

using System;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Security;
using System.Security.Permissions;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue | DebuggableAttribute.DebuggingModes.DisableOptimizations)]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("0.0.0.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]

[NullableContext(1)]
[Nullable(0)]
internal class Person
{
    [CompilerGenerated]
    [DebuggerBrowsable(DebuggerBrowsableState.Never)]
    private string <Name>k__BackingField = "";

    public string Name
    {
        [CompilerGenerated]
        get
        {
            return <Name>k__BackingField;
        }
        set
        {
            if (value == null)
            {
                throw new ArgumentNullException("value");
            }
            <Name>k__BackingField = value;
        }
    }
}

​​.sharplab.json

{
    "version": 1,
    "target": "C#",
    "mode": "Debug"
}