NativeArray Unsafe Utility.
| ConvertExistingDataToNativeArray | ConvertExistingDataToNativeArray. |
| GetAtomicSafetyHandle | Get safety handle for native array. |
| GetUnsafeBufferPointerWithoutChecks | Get NativeArray memory buffer pointer without performing checks. |
| GetUnsafePtr | Get NativeArray memory buffer. Checks whether the native array can be written to. |
| GetUnsafeReadOnlyPtr | Get NativeArray memory buffer pointer. Checks whether the native array can be read from. |
| SetAtomicSafetyHandle | Set safetly handle on NativeArray. |