import type { EncryptedIndex, QueryResultItem } from "../index";
import type { Results } from "../models/Results";
/** Extract flat array of QueryResultItem from query response results. */
export declare function flattenResults(results: Results | QueryResultItem[] | QueryResultItem[][]): QueryResultItem[];
/** Block until every id in `expected` is visible to queryMetadata. */
export declare function waitForIds(index: EncryptedIndex, expected: string[], timeoutMs?: number): Promise<void>;
/**
 * Block until `predicate` holds. For conditions neither id helper expresses —
 * a rewritten field becoming searchable, say. `description` is what the failure
 * message says was being waited for.
 */
export declare function waitFor(predicate: () => Promise<boolean>, description: string, timeoutMs?: number): Promise<void>;
/** Block until none of `gone` are visible — the delete-side counterpart. */
export declare function waitUntilGone(index: EncryptedIndex, gone: string[], timeoutMs?: number): Promise<void>;