# InProcessTestClusterBuilder.InProcessTestClusterBuilder

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.inprocesstestclusterbuilder/) | [Constructors](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.inprocesstestclusterbuilder/constructors/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.TestingHost/InProcTestClusterBuilder.cs#L19-L21)

```csharp
public InProcessTestClusterBuilder()
```

Initializes a new instance of [InProcessTestClusterBuilder](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.inprocesstestclusterbuilder/) using the default options.