<PackageReference Include="Microsoft.Bcl.Cryptography" Version="11.0.0-rc.2.26504.105" />

Microsoft.Win32.SafeHandles.SafeUnicodeStringHandle

Holds a managed string marshaled as a LPCWSTR.
namespace Microsoft.Win32.SafeHandles { internal sealed class SafeUnicodeStringHandle : SafeHandle { public SafeUnicodeStringHandle(string s); public SafeUnicodeStringHandle(ReadOnlySpan<char> s); } }