# System.Collections.Specialized
This is the assembly that surfaces specialized collections; for example, [`LinkedDictionary`](https://learn.microsoft.com/dotnet/api/system.collections.specialized.listdictionary), [`BitVector`](https://learn.microsoft.com/dotnet/api/system.collections.specialized.bitvector), and [`StringCollection`](https://learn.microsoft.com/dotnet/api/system.collections.specialized.stringcollection).

Documentation can be found at https://learn.microsoft.com/en-us/dotnet/api/system.collections.specialized.

## Contribution Bar
- [x] [We only consider lower-risk or high-impact fixes to maintain or improve quality](../../libraries/README.md#primary-bar)

## Deployment
`System.Collections.Specialized` is included in the shared framework and also provided as a [NuGet package](https://www.nuget.org/packages/System.Collections.Specialized).