# InProcessTestClusterBuilder Constructors

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

## InProcessTestClusterBuilder {#constructor-8b665475}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.inprocesstestclusterbuilder/constructors/constructor-8b665475/)

[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.

## InProcessTestClusterBuilder(short) {#constructor-short-80b1ba28}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.inprocesstestclusterbuilder/constructors/constructor-short-80b1ba28/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.TestingHost/InProcTestClusterBuilder.cs#L27-L51)

```csharp
public InProcessTestClusterBuilder(short initialSilosCount)
```

Initializes a new instance of [InProcessTestClusterBuilder](/orleans/docs/api/csharp/microsoft.orleans.testinghost/orleans.testinghost.inprocesstestclusterbuilder/) overriding the initial silos count.

### Parameters

- `initialSilosCount` (`short`): The number of initial silos to deploy.