import type { AuthErrorKind, EventBus } from '../../events/index.js';
type AuthBackend = 'claude' | 'pi';
type AuthType = 'oauth' | 'api_key' | null;
export declare function classifyAuthError(message: string): AuthErrorKind | null;
export declare function initAuthEvents(bus: EventBus | null): void;
export declare function publishAuthRequired(input: {
    backend: AuthBackend;
    provider: string;
    authType: AuthType;
    kind: AuthErrorKind;
    channel: string | null;
    sessionId: string | null;
}): void;
export declare function publishAuthRecovered(input: {
    backend: AuthBackend;
    provider: string;
}): void;
export {};