import type Anthropic from '@anthropic-ai/sdk';
import type { ProviderEvent } from '../../../provider.js';
import type { AuthMode, RunTurnInput } from '../types.js';
export { TWO_HOURS_MS, RATE_LIMIT_TRANSIENT_MAX_RETRIES, RATE_LIMIT_RETRY_MAX_WAIT_MS, } from './retry-constants.js';
export type { RetryTierContext, UsageLimitWaitResult } from './retry-context.js';
export interface RetryLayerOptions {
    client: Anthropic;
    authMode: AuthMode;
    initSessionId: string;
    baseUrl?: string;
    tokenRefresher?: () => Promise<Anthropic | null>;
    autoResumeOnUsageLimit: boolean;
    surface?: string;
}
export declare class RetryLayer {
    private _client;
    private readonly _authMode;
    private readonly initSessionId;
    private readonly baseUrl?;
    private readonly tokenRefresher?;
    private readonly autoResumeOnUsageLimit;
    private readonly surface?;
    private refreshPromise;
    private usageLimitWaitPromise;
    private credentialSnapshotStale;
    constructor(opts: RetryLayerOptions);
    get client(): Anthropic;
    get authMode(): AuthMode;
    private rotateHeaders;
    private tierContext;
    forceClientRefresh(): Promise<{
        accountId: string;
        swapped: boolean;
    } | null>;
    turnWithRetries(runInput: RunTurnInput, isClosed: () => boolean): AsyncGenerator<ProviderEvent, void, void>;
}