| handle | Safety handle. |
| allowWriting | If true, handles using the secondary version number should be configured to allow write access to the container. If false, handles using the secondary version number should be configured to only allow read access to the container. |
Set whether handles which use the secondary version number are allowed to write to the container protected by this handle.
Additional resources: AtomicSafetyHandle.UseSecondaryVersion, Copying NativeContainer structures.