MutationCacheNotifyEvent | TanStack Query Svelte Docs

type MutationCacheNotifyEvent = 
  | NotifyEventMutationAdded
  | NotifyEventMutationRemoved
  | NotifyEventMutationObserverAdded
  | NotifyEventMutationObserverRemoved
  | NotifyEventMutationObserverOptionsUpdated
  | NotifyEventMutationUpdated;

Defined in: packages/query-core/src/mutationCache.ts:98

The event passed to a MutationCache subscriber. Fired whenever a mutation is added or removed from the cache, its state is updated, or one of its observers is added, removed, or has its options updated.