import type { Vault } from '../vault/index.js';
import type { Connector } from '../connectors/types.js';
import type { LocalUsageStore } from '../usage-local/store.js';
import type { ReconciliationResult, ReconcileOptions } from './types.js';
export interface EngineDeps {
    vault: Vault;
    connectors: Record<string, Connector>;
    store: LocalUsageStore;
    /** Override balance history file path */
    historyPath?: string;
}
export declare class ReconciliationEngine {
    private deps;
    constructor(deps: EngineDeps);
    /**
     * 全部 provider 对账 (跑 vault 里所有 key 对应的 provider)
     * 默认窗口: 今日 00:00 → 现在
     */
    reconcileAll(opts?: ReconcileOptions): Promise<ReconciliationResult[]>;
    /**
     * 单 provider 对账 — auto select L1 vs L2 vs no_data
     */
    reconcileProvider(provider: string, start: string, end: string): Promise<ReconciliationResult>;
    /**
     * 单条 surface 用的 1 行总结 (主入口 UX)
     * "OpenAI: 估算 ¥3.20 vs 真扣 ¥3.40 偏差 6.3% ✅"
     */
    static formatSurfaceLine(r: ReconciliationResult): string;
}
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