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public class Person
{
    public string Name { get; set; }
}

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public abstract class BindableBehavior<T> : Behavior<T> where T : BindableObject
{
    protected override void OnAttachedTo(T bindable)
    {
        if (bindable != null)
        {
            this.InheritsBindingContextFrom(bindable);
        }
        base.OnAttachedTo(bindable);
    }

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using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
using System.Threading.Tasks;

namespace CreateDelegate
{
    [TestClass]

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using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Threading;
using System.Threading.Tasks;

namespace GC
{
    /*
    In dotnet core, finalizer does not appear to be called on shutdown

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Brain Teaser: Update the above code such that that unit tests pass. Do not update the content of the unit tests (however you are allowed to switch off of xUnit if you like).

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/*
WARNING: This MultiBinding implementation only works when it is directly applied to its target property.
It will fail if used inside of a setter (such is the case when used within a trigger or style).
*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Runtime.CompilerServices;

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[Fact]
public static void NullReturnFromConstructor()
{
    //Any Nullable<T> will work
    Assert.Throws<InvalidOperationException>(() => SudoMakeMeSandwich<???>());
}

private static T SudoMakeMeSandwich<T>() where T : new()
{
    return new T() ?? throw new InvalidOperationException();

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namespace Example.HttpClient.Tests
{
    public interface IHttpCall
    {
        int InvocationsCount { get; }
    }
}

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Moq;
using Xunit;

namespace Namespace
{
    public interface IConstructorTest

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public partial class App : Application
{
    [NotNull]
    public static IServiceProvider? ServiceProvider { get; private set; }

    [STAThread]
    public static void Main(string[] args)
    {
        using IHost host = CreateHostBuilder(args).Build();
        host.Start();