MQTTnet/Source/MQTTnet.AspnetCore/MQTTnet.AspNetCore.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFramework>netstandard2.0</TargetFramework>
    <Product />
    <Company />
    <Authors />
    <PackageId />
    <LangVersion>7.2</LangVersion>
  </PropertyGroup>

  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
    <DefineConstants>RELEASE;NETSTANDARD2_0</DefineConstants>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.Connections.Abstractions" Version="2.1.3" />
    <PackageReference Include="Microsoft.AspNetCore.WebSockets" Version="2.1.1" />
    <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="2.1.1" />
  </ItemGroup>

  <ItemGroup>
    <ProjectReference Include="..\MQTTnet\MQTTnet.csproj" />
  </ItemGroup>

</Project>