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, DeviationLevel } from './types.js';
/**
 * 偏差分级 (Eric 决策点 #1, 拍板 ACTIVE):
 *   < 5%: healthy
 *   5-15%: warning
 *   15-30%: medium
 *   > 30%: severe
 */
export declare function classifyDeviation(deviation_pct: number): DeviationLevel;
export interface L1ReconcileDeps {
    vault: Vault;
    /** Connector registry: provider → Connector instance */
    connectors: Record<string, Connector>;
    store: LocalUsageStore;
}
export interface L1ReconcileOptions {
    provider: string;
    start: string;
    end: string;
}
/**
 * L1 对账: 单 provider, 时间窗口
 * 返 ReconciliationResult, 含 l1_actual_usd / deviation_pct / level / anomalies.
 */
export declare function reconcileL1(deps: L1ReconcileDeps, opts: L1ReconcileOptions): Promise<ReconciliationResult>;
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