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michaelbrucelinmichaelbrucelin
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‎Language/C#/PlayGround/DependencyInjection/MailSender/ConfigServices/ConfigServices.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎Language/C#/PlayGround/DependencyInjection/MailSender/ConfigServices/EnvVarConfigService.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace ConfigServices
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{
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/// <summary>
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/// 实现类可以考虑在其它项目中创建，这里图省事直接创建在类库项目中
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/// </summary>
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public class EnvVarConfigService : IConfigService
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{
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public string GetValue(string name)
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{
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return Environment.GetEnvironmentVariable(name) ?? $"{name}_not_found";
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}
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}
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}

‎Language/C#/PlayGround/DependencyInjection/MailSender/ConfigServices/IConfigService.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace ConfigServices
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{
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public interface IConfigService
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{
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public string GetValue(string name);
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}
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}

‎Language/C#/PlayGround/DependencyInjection/MailSender/LogServices/ConsoleLogProvider.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace LogServices
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{
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/// <summary>
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/// 实现类可以考虑在其它项目中创建，这里图省事直接创建在类库项目中
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/// </summary>
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public class ConsoleLogProvider : ILogProvider
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{
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public void LogError(string msg)
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{
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Console.WriteLine($"Error: {msg}");
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}
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public void LogInfo(string msg)
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{
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Console.WriteLine($"Info: {msg}");
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}
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}
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}

‎Language/C#/PlayGround/DependencyInjection/MailSender/LogServices/ILogProvider.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace LogServices
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{
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public interface ILogProvider
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{
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public void LogError(string msg);
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public void LogInfo(string msg);
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}
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}

‎Language/C#/PlayGround/DependencyInjection/MailSender/LogServices/LogServices.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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</Project>

‎Language/C#/PlayGround/DependencyInjection/MailSender/MailSender.sln‎

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.14.36221.1 d17.14
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MailSender", "MailSender\MailSender.csproj", "{1EEBA1CB-F8BF-450F-AD95-EFC953F61749}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LogServices", "LogServices\LogServices.csproj", "{7FD0A4A6-A540-4AB5-9152-8CAF4BE1526A}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MailServices", "MailServices\MailServices.csproj", "{97268C9A-9677-45EF-A6AD-1CC138F339AD}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConfigServices", "ConfigServices\ConfigServices.csproj", "{8655EEC6-8CE6-464F-9A28-BB53551CB9CC}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{1EEBA1CB-F8BF-450F-AD95-EFC953F61749}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{1EEBA1CB-F8BF-450F-AD95-EFC953F61749}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{1EEBA1CB-F8BF-450F-AD95-EFC953F61749}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{1EEBA1CB-F8BF-450F-AD95-EFC953F61749}.Release|Any CPU.Build.0 = Release|Any CPU
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{7FD0A4A6-A540-4AB5-9152-8CAF4BE1526A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{7FD0A4A6-A540-4AB5-9152-8CAF4BE1526A}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{7FD0A4A6-A540-4AB5-9152-8CAF4BE1526A}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{7FD0A4A6-A540-4AB5-9152-8CAF4BE1526A}.Release|Any CPU.Build.0 = Release|Any CPU
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{97268C9A-9677-45EF-A6AD-1CC138F339AD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{97268C9A-9677-45EF-A6AD-1CC138F339AD}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{97268C9A-9677-45EF-A6AD-1CC138F339AD}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{97268C9A-9677-45EF-A6AD-1CC138F339AD}.Release|Any CPU.Build.0 = Release|Any CPU
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{8655EEC6-8CE6-464F-9A28-BB53551CB9CC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{8655EEC6-8CE6-464F-9A28-BB53551CB9CC}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{8655EEC6-8CE6-464F-9A28-BB53551CB9CC}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{8655EEC6-8CE6-464F-9A28-BB53551CB9CC}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {E077E5BE-EB87-4D24-99B4-4D5311FCB9F8}
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EndGlobalSection
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EndGlobal

‎Language/C#/PlayGround/DependencyInjection/MailSender/MailSender/MailSender.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.6" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\ConfigServices\ConfigServices.csproj" />
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<ProjectReference Include="..\LogServices\LogServices.csproj" />
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<ProjectReference Include="..\MailServices\MailServices.csproj" />
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</ItemGroup>
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</Project>

‎Language/C#/PlayGround/DependencyInjection/MailSender/MailSender/Program.cs‎

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using ConfigServices;
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using LogServices;
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using MailServices;
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using Microsoft.Extensions.DependencyInjection;
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namespace MailSender
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{
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internal class Program
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{
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/// <summary>
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/// Install-Package Microsoft.Extensions.DependencyInjection
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/// using Microsoft.Extensions.DependencyInjection
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/// </summary>
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/// <param name="args"></param>
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static void Main(string[] args)
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{
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ServiceCollection services = new ServiceCollection();
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// 注册服务
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services.AddScoped<ILogProvider, ConsoleLogProvider>();
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services.AddScoped<IConfigService, EnvVarConfigService>();
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services.AddScoped<IMailService, MailService>();
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using (ServiceProvider sp = services.BuildServiceProvider())
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{
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// 根对象需要用ServiceLocator的方式去获取，关联的对象可以直接注入
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IMailService mailService = sp.GetRequiredService<IMailService>();
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mailService.Send("Hello", "[email protected]", "hello?");
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}
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// Console.ReadLine();
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}
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}
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}

‎Language/C#/PlayGround/DependencyInjection/MailSender/MailServices/IMailService.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace MailServices
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{
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public interface IMailService
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{
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public void Send(string title, string to, string body);
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}
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}

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