import type { QrLoginProvider, QrLoginSource, QrPollResult } from './types.js';
import type { CredentialStore } from '../credential-store.js';
export type { QrLoginSource, QrPollResult, QrLoginProvider } from './types.js';
export interface QrLoginSession {
    source: QrLoginSource;
    pollData: Record<string, string>;
    timestamp: number;
    aborted: boolean;
}
export declare function loginSessionKey(endpointId: string, conversationId: string, senderId: string): string;
/** Generation-owned QR login coordinator. */
export declare class QrLoginRuntime {
    #private;
    constructor(credentials: CredentialStore, providers?: Readonly<Record<QrLoginSource, QrLoginProvider>>, now?: () => number, sleep?: (ms: number) => Promise<void>);
    get(key: string): QrLoginSession | undefined;
    cancel(key: string): boolean;
    start(source: QrLoginSource, key: string): Promise<{
        imageSegment: {
            type: 'image';
            data: Record<string, unknown>;
        };
    }>;
    poll(key: string, onStatus: (result: QrPollResult) => Promise<void>): Promise<QrPollResult>;
    pruneExpired(): void;
    dispose(): void;
}
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