import type { AgentHealthReason } from '../../shared/snapshot.js';
export type ProviderFailureReason = 'provider_auth_failed' | 'provider_error' | 'provider_quota_exhausted' | 'provider_rate_limited' | 'process_crash' | (string & {});
export declare function classifyProviderFailureReason(input: {
    message?: string;
    status?: unknown;
    subtype?: string;
}): ProviderFailureReason;
export declare function providerFailureReasonFromError(error: unknown): ProviderFailureReason;
export declare function providerFailureHealthReason(reason: ProviderFailureReason): AgentHealthReason | undefined;
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