This site describes solve-engine as it is on main: 2.43.0, which npm does not have yet. npm installs 2.40.0, so a page may show an answer that version does not give yet.
sharedOpRegistry
const sharedOpRegistry: OpRegistry;Defined in: packages/engine/src/vm/OpRegistry.ts:347
The registry every createVM() call without one of its own is handed.