import type Anthropic from '@anthropic-ai/sdk';
import type { ProviderEvent } from '../../../provider.js';
import type { AuthMode, RunTurnInput } from '../types.js';
export type UsageLimitWaitResult = 'aborted' | 'timer' | 'hot-swap';
export type TierGenerator = (ctx: RetryTierContext, runInput: RunTurnInput, isClosed: () => boolean) => AsyncGenerator<ProviderEvent, void, void>;
export interface RetryTierContext {
    readonly authMode: AuthMode;
    readonly surface: string | undefined;
    readonly autoResumeOnUsageLimit: boolean;
    readonly tokenRefresher: (() => Promise<Anthropic | null>) | undefined;
    getClient(): Anthropic;
    rotateHeaders(runInput: Pick<RunTurnInput, 'effort' | 'fastMode'>): Record<string, string>;
    forceClientRefresh(): Promise<{
        accountId: string;
        swapped: boolean;
    } | null>;
    getUsageLimitWait(): Promise<UsageLimitWaitResult> | null;
    setUsageLimitWait(p: Promise<UsageLimitWaitResult> | null): void;
    markCredentialSnapshotStale(): void;
}