export type ProviderErrorKind = 'transient' | 'permanent' | 'config';
export type ProviderErrorCode = 'QUOTA_EXHAUSTED' | 'RATE_LIMITED' | 'EMPTY_OUTPUT' | 'AUTH_REQUIRED' | 'MODEL_UNAVAILABLE' | 'TIMEOUT_IDLE' | 'TIMEOUT_TOTAL' | 'PROVIDER_NOT_FOUND' | 'INVALID_PROVIDER_FORMAT' | 'PROVIDER_CRASHED' | 'UNKNOWN';
export interface ProviderErrorOptions {
    code?: ProviderErrorCode;
    kind?: ProviderErrorKind;
    retryAfterMs?: number;
}
export declare class ProviderError extends Error {
    readonly providerStr: string;
    readonly code: ProviderErrorCode;
    readonly kind?: ProviderErrorKind;
    readonly retryAfterMs?: number;
    constructor(message: string, providerStr: string, options?: ProviderErrorOptions);
}
export declare class IdleTimeoutError extends ProviderError {
    constructor(message: string, providerStr: string);
}
export declare class TotalTimeoutError extends ProviderError {
    constructor(message: string, providerStr: string);
}