/**
 * iMessageConnector — reads messages from macOS iMessage SQLite database.
 * Queries ~/Library/Messages/chat.db for messages newer than the given timestamp.
 * Uses better-sqlite3 via the standalone's Database wrapper.
 *
 * iMessage timestamps use Core Data format: nanoseconds since 2001-01-01.
 * Conversion: unix_ms = (date / 1_000_000) + 978_307_200_000
 */
import type { AuthRequirement, ConnectorConfig, ConnectorHealth, IConnector, NormalizedItem } from '../framework/types.js';
export declare class IMessageConnector implements IConnector {
    readonly name = "imessage";
    readonly type: "local";
    private db;
    private dbPath;
    private lastPollTime;
    private lastPollCount;
    private lastError;
    constructor(_config: ConnectorConfig, dbPath?: string);
    init(): Promise<void>;
    dispose(): Promise<void>;
    healthCheck(): Promise<ConnectorHealth>;
    getAuthRequirements(): AuthRequirement[];
    authenticate(): Promise<boolean>;
    poll(since: Date): Promise<NormalizedItem[]>;
}
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