# ImmutableQueueCodec<T> Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.immutablequeuecodec-1/)

## ConvertFromSurrogate(ImmutableQueueSurrogate<T>) {#convertfromsurrogate-ref-orleans-serialization-codecs-immutablequeuesurrogate-t-87ff5fba}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.immutablequeuecodec-1/methods/convertfromsurrogate-ref-orleans-serialization-codecs-immutablequeuesurrogate-t-87ff5fba/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/ImmutableQueueCodec.cs#L26)

```csharp
public override ImmutableQueue<T> ConvertFromSurrogate(ref ImmutableQueueSurrogate<T> surrogate)
```

Converts a value from the surrogate type to the field type.

### Parameters

- `surrogate` (`ImmutableQueueSurrogate<T>`): The surrogate.

### Returns

The value.

## ConvertToSurrogate(ImmutableQueue&lt;T&gt;, ImmutableQueueSurrogate&lt;T&gt;) {#converttosurrogate-system-collections-immutable-immutablequeue-t-ref-orleans-ser-36c9bf24}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.immutablequeuecodec-1/methods/converttosurrogate-system-collections-immutable-immutablequeue-t-ref-orleans-ser-36c9bf24/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/ImmutableQueueCodec.cs#L29)

```csharp
public override void ConvertToSurrogate(ImmutableQueue<T> value, ref ImmutableQueueSurrogate<T> surrogate)
```

Converts a value to the surrogate type.

### Parameters

- `value` (`ImmutableQueue<T>`): The value.
- `surrogate` (`ImmutableQueueSurrogate<T>`): The surrogate.