/**
 * One vocabulary for adapter failures, so code above an adapter retries, alerts, and reports the same
 * way whichever database, provider, or service the adapter talks to.
 */
/** What kind of failure an adapter call met. */
export type AdapterErrorCode = 'AUTH' | 'RATE_LIMIT' | 'NOT_FOUND' | 'INVALID' | 'CONFLICT' | 'TIMEOUT' | 'UNAVAILABLE' | 'CANCELLED' | 'UNKNOWN';
/** A failure's code, and whether another attempt could succeed. */
export interface AdapterErrorClass {
    /** The kind of failure. */
    code: AdapterErrorCode;
    /** True for a failure a retry could get past: a rate limit, a timeout, an unavailable service. */
    retryable: boolean;
    /** The HTTP status, when the failure carried one. */
    status?: number;
}
/** A failed adapter call, normalized. The original error is its `cause`. */
export declare class AdapterError extends Error {
    /** The adapter that failed. */
    readonly adapter: string;
    /** The method that failed, such as `search`. */
    readonly operation: string;
    /** The kind of failure. */
    readonly code: AdapterErrorCode;
    /** Whether another attempt could succeed. */
    readonly retryable: boolean;
    /** The HTTP status, when the failure carried one. */
    readonly status?: number;
    constructor(
    /** The adapter that failed. */
    adapter: string, 
    /** The method that failed, such as `search`. */
    operation: string, failure: AdapterErrorClass, cause: unknown);
}
/**
 * Classifies any error by what it carries: an HTTP status (`status`, `statusCode`, or
 * `response.status`), a Node network code such as `ECONNREFUSED`, or an `AbortError` or
 * `TimeoutError` name. An adapter's own `normalizeError` runs first and may override it.
 */
export declare function classifyAdapterError(error: unknown): AdapterErrorClass;