> For the complete documentation index, see [llms.txt](https://docs.nucleusearn.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nucleusearn.io/nucleus-architecture/smart-contracts/contracts/atomic-queue/contents.md).

# Contents

* AtomicQueue
* AtomicSolver
* AtomicSolverV2
* AtomicSolverV3
* IAtomicSolver