# FrozenDictionaryCopier<TKey, TValue> Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.frozendictionarycopier-2/)

## DeepCopy(FrozenDictionary<TKey, TValue>, CopyContext) {#deepcopy-system-collections-frozen-frozendictionary-tkey-tvalue-orleans-serializ-de8d0e9d}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.frozendictionarycopier-2/methods/deepcopy-system-collections-frozen-frozendictionary-tkey-tvalue-orleans-serializ-de8d0e9d/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/FrozenDictionaryCodec.cs#L84-L101)

```csharp
public FrozenDictionary<TKey, TValue> FrozenDictionaryCopier<TKey, DeepCopy(FrozenDictionary<TKey, TValue> input, CopyContext context)
```

Creates a deep copy of the provided input.

### Parameters

- `input` (`FrozenDictionary<TKey, TValue>`): The input.
- `context` (`CopyContext`): The context.

### Returns

A copy of `input`.

## IsShallowCopyable {#isshallowcopyable-85ab4acc}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.codecs.frozendictionarycopier-2/methods/isshallowcopyable-85ab4acc/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/FrozenDictionaryCodec.cs#L79)

```csharp
public bool FrozenDictionaryCopier<TKey, IsShallowCopyable()
```

Returns true if the type is shallow-copyable.