/**
 * Typed HTTP wrappers for the form-caches backend API.
 *
 * Mirrors Architecture §9.5. `createFormCacheApi` receives the consumer's
 * httpClient so auth headers and base URL are fully controlled by the caller.
 */
import type { HttpClient, FormCacheDTO } from './FormCacheSelector.types';
/**
 * TanStack Query key factory for form-cache resources.
 *
 * Always invoke `formCacheKeys.all(cacheId)` instead of hardcoding the key
 * tuple in components — it keeps invalidation calls in sync.
 */
export declare const formCacheKeys: {
    all: (cacheId: string) => readonly ["form-caches", string];
};
export declare function createFormCacheApi(client: HttpClient): {
    /**
     * List all form-cache entries for the given `cacheId` and the current user.
     *
     * `cacheId` is URL-encoded so it can safely contain `/`, `?`, `#`, etc.
     */
    getAllByUser: (cacheId: string) => Promise<FormCacheDTO[]>;
    /**
     * Fetch a single entry by id. Returns `unknown` because the persisted JSON
     * shape depends on `TFilter` and is validated by `safeParse` at the call site.
     */
    getById: (id: string) => Promise<unknown>;
    upsert: (payload: {
        cacheId: string;
        name: string;
        filter: unknown;
    }) => Promise<{
        id: string;
    }>;
    updateLastInUse: (id: string) => Promise<boolean>;
    delete: (id: string) => Promise<boolean>;
    rename: (id: string, newName: string) => Promise<boolean>;
};
export type FormCacheApi = ReturnType<typeof createFormCacheApi>;
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