import type { DashboardDB } from './db.js';
/**
 * SQLite-backed lane cursor store for `ChainEventPoller`.
 *
 * `scope` should include the effective chain/deployment identity so a node-home
 * reused across networks never applies an old lane cursor to a different chain.
 */
export declare class SqliteChainEventCursorStore {
    private readonly cursors;
    private readonly legacyCursors;
    private readonly scope;
    constructor(dashboard: DashboardDB, options?: {
        scope?: string;
    });
    loadLane(lane: string): Promise<number | undefined>;
    saveLane(lane: string, blockNumber: number): Promise<void>;
    private legacyKey;
}
/**
 * SQLite-backed ContextGraphNameRegistry scan cursor.
 *
 * The value is the next unbuffered block after a successfully scanned
 * contiguous prefix. It is keyed by chain/deployment/registry address; corrupt
 * values are ignored by returning `undefined`, which fails closed to the
 * historical scan path.
 */
export declare class SqliteContextGraphRegistryScanCursorStore {
    private readonly cursors;
    private readonly legacyCursors;
    constructor(dashboard: DashboardDB);
    load(key: {
        chainId: string;
        deploymentId: string;
        registryAddress: string;
    }): Promise<number | undefined>;
    save(key: {
        chainId: string;
        deploymentId: string;
        registryAddress: string;
    }, nextBlock: number): Promise<void>;
    private scope;
    private registryKey;
    private legacyKey;
}
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