/**
 * Cross-chain margin monitoring and dynamic auto-sizing.
 *
 * Provides:
 * - Per-exchange margin status checking
 * - Auto-size computation based on orderbook depth and margin limits
 */
import type { ExchangeAdapter } from "./exchanges/index.js";
export interface ChainMarginStatus {
    exchange: string;
    chain: string;
    equity: number;
    usedMargin: number;
    freeMargin: number;
    marginRatio: number;
    belowThreshold: boolean;
}
/**
 * Check margin status across all configured exchanges.
 *
 * @param adapters - Map of exchange name to adapter
 * @param minMarginPct - Warn when free margin / equity falls below this (default: 30%)
 * @returns Per-exchange margin status array
 */
export declare function checkChainMargins(adapters: Map<string, ExchangeAdapter>, minMarginPct?: number): Promise<ChainMarginStatus[]>;
/**
 * Check if a specific exchange has critically low margin (below 15%).
 */
export declare function isCriticalMargin(status: ChainMarginStatus): boolean;
/**
 * Check if a specific exchange should block new entries (below threshold).
 */
export declare function shouldBlockEntries(status: ChainMarginStatus, minMarginPct?: number): boolean;
/**
 * Compute the optimal position size automatically based on:
 * 1. Orderbook depth on both sides
 * 2. Free margin constraints (max 50% per trade)
 * 3. Risk config maxPositionUsd
 *
 * @param longAdapter - Adapter for the long side exchange
 * @param shortAdapter - Adapter for the short side exchange
 * @param symbol - Trading symbol
 * @param maxSlippagePct - Max acceptable slippage (default: 0.3%)
 * @returns USD size per leg, or 0 if not viable
 */
export declare function computeAutoSize(longAdapter: ExchangeAdapter, shortAdapter: ExchangeAdapter, symbol: string, maxSlippagePct?: number): Promise<number>;