snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)

docs/framework/lit/reference/interfaces/DefaultOptions.md

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+---
+id: DefaultOptions
+title: DefaultOptions
+---
+
+Defined in: [packages/query-core/src/types.ts:1507](https://github.com/TanStack/query/blob/main/packages/query-core/src/types.ts#L1507)
+
+## Type Parameters
+
+### TError
+
+`TError` = [`DefaultError`](../type-aliases/DefaultError.md)
+
+## Properties
+
+### dehydrate?
+
+```ts
+optional dehydrate: DehydrateOptions;
+```
+
+Defined in: [packages/query-core/src/types.ts:1518](https://github.com/TanStack/query/blob/main/packages/query-core/src/types.ts#L1518)
+
+Default options used when dehydrating the client's caches; see [DehydrateOptions](DehydrateOptions.md).
+
+***
+
+### hydrate?
+
+```ts
+optional hydrate: object;
+```
+
+Defined in: [packages/query-core/src/types.ts:1516](https://github.com/TanStack/query/blob/main/packages/query-core/src/types.ts#L1516)
+
+Default options used when hydrating queries; see [HydrateOptions](HydrateOptions.md).
+
+#### deserializeData?
+
+```ts
+optional deserializeData: TransformerFn;
+```
+
+Transforms a query's `data` after it is read from the dehydrated state, reversing `serializeData`.
+
+#### mutations?
+
+```ts
+optional mutations: MutationOptions<unknown, Error, unknown, unknown>;
+```
+
+Default options merged into every mutation restored from the dehydrated state.
+
+#### queries?
+
+```ts
+optional queries: QueryOptions<unknown, Error, unknown, readonly unknown[], never>;
+```
+
+Default options merged into every query restored from the dehydrated state.
+
+***
+
+### mutations?
+
+```ts
+optional mutations: MutationObserverOptions<unknown, TError, unknown, unknown>;
+```
+
+Defined in: [packages/query-core/src/types.ts:1514](https://github.com/TanStack/query/blob/main/packages/query-core/src/types.ts#L1514)
+
+Default options applied to every mutation, unless overridden per-mutation.
+
+***
+
+### queries?
+
+```ts
+optional queries: OmitKeyof<QueryObserverOptions<unknown, TError, unknown, unknown, readonly unknown[], never>, "queryKey" | "suspense", "strictly">;
+```
+
+Defined in: [packages/query-core/src/types.ts:1509](https://github.com/TanStack/query/blob/main/packages/query-core/src/types.ts#L1509)
+
+Default options applied to every query, unless overridden per-query.