import { Address, PublicClient } from 'viem';
/** Identifies one Hub asset to read the drawn rate for. */
export interface AssetDrawnRateRequest {
    /** Hub contract address (from the reserve's `hub` field). */
    hub: Address;
    /** Asset identifier on that Hub (from the reserve's `assetId` field). */
    assetId: number;
}
export interface AssetDrawnRateResult {
    hub: Address;
    assetId: number;
    /** Annual borrow (drawn) rate in RAY (1e27 = 100%), or null on revert. */
    rateRay: bigint | null;
    error: Error | null;
}
/**
 * Per-asset isolated read of `getAssetDrawnRate` for display lists (one bad
 * asset ≠ whole list blank). One multicall round-trip instead of one
 * `eth_call` per asset, with `allowFailure: true` so a single reverting asset
 * isolates to its own error entry. A network-level multicall failure marks
 * every asset failed rather than throwing — callers (display hooks) rely on
 * always getting a per-asset result array.
 *
 * The returned rate is the linear annual rate in RAY (the Hub accrues
 * interest as `rate * dt / SECONDS_PER_YEAR`), i.e. an APR, not an APY.
 */
export declare function getAssetDrawnRatesSafe(publicClient: PublicClient, requests: AssetDrawnRateRequest[]): Promise<AssetDrawnRateResult[]>;
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