import type { GuardianAlert, GuardianPriceView, GuardianTargetState, GuardianThresholds } from './types.js';
export type GuardianAlertHandler = (alert: GuardianAlert) => void;
export declare class GuardianRiskEngine {
    private readonly prices;
    private readonly onAlert;
    private readonly thresholds;
    /** address:coin:threshold → state */
    private liqState;
    /** address → state */
    private marginState;
    /** address:coin → alerted */
    private tpslState;
    /** address:oid → last fired */
    private staleOrderState;
    /** address:coin → { since, firedAt } */
    private fundingState;
    private evaluations;
    constructor(prices: GuardianPriceView, onAlert: GuardianAlertHandler, thresholds?: Partial<GuardianThresholds>);
    getStats(): {
        evaluations: number;
    };
    /** One evaluation pass over the given targets. */
    tick(targets: Iterable<GuardianTargetState>, now?: number): void;
    /** Distance = (mark − liqPx) / mark, signed by side. */
    private liqDistance;
    private updateLiqDistance;
    private evalLiqProximity;
    private evalMarginUsage;
    private evalNoTpsl;
    private evalStaleOrders;
    private evalFundingBleed;
    /** Drop per-position rule state when positions close (prevents unbounded growth). */
    private gcClosedPositions;
}
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