import type { IEmberVault, IFetchEmberVaultsOptions } from './types';
/**
 * Fetch Ember vaults from API.
 *
 * Results are cached for {@link EMBER_CACHE_TTL_MS} (keyed by the full request
 * URL, so different query options cache independently) and the request is
 * aborted after {@link EMBER_FETCH_TIMEOUT_MS}. Failures — including timeouts —
 * are never cached and resolve to `[]`, preserving the long-standing
 * fail-tolerant contract of this getter.
 */
export declare function getEmberVaults(options?: IFetchEmberVaultsOptions): Promise<IEmberVault[]>;
/**
 * Fetch the latest Ember TVL (in whole units, i.e. `tvlE9 / 1e9`).
 *
 * Shares the timeout and cache of {@link getEmberVaults} via
 * {@link fetchEmberArray}: the TVL history payload is cached for
 * {@link EMBER_CACHE_TTL_MS} per `limit`, and a hung request is aborted after
 * {@link EMBER_FETCH_TIMEOUT_MS}. Failures — including timeouts — are never
 * cached and resolve to `0`.
 *
 * @param limit - Number of history rows to request; only the newest is read.
 * @returns The latest TVL, or `0` when unavailable.
 */
export declare function getEmberTVL(limit?: number): Promise<number>;