import { type OpenOrder, type Position, type TriggerOrder } from '@lifi/perps-types';
/**
 * Pick the matching open position for an order's market, if any.
 *
 * @param marketId - The order's `market.id`.
 * @param positions - Open positions list (any market).
 * @public
 */
export declare function findMatchingPosition(marketId: string, positions: readonly Position[]): Position | undefined;
/**
 * Resolve the close-size against a position, applying the spec's cap rules:
 *  - `orderSize === 0` is the Hyperliquid convention for "close entire
 *    position" → close the full position size.
 *  - Otherwise cap at the absolute position size; an order larger than the
 *    position can only close what's open.
 *
 * Inputs are non-negative magnitudes.
 * @public
 */
export declare function resolveCloseSize(orderSize: number, positionSize: number): number;
/**
 * Expected rPnL for a resting limit order against a matching position.
 *
 * Reducing requires opposite sides (long position + SELL, short position +
 * BUY). Same-side orders add to the position and have no rPnL → `null`.
 *
 * @returns Realised PnL if the order would reduce the position, otherwise
 *   `null`.
 * @public
 */
export declare function expectedRealizedPnlForOpenOrder(order: OpenOrder, position: Position | undefined): number | null;
/**
 * Expected rPnL for a TP/SL trigger order against a matching position.
 *
 * A trigger order is by construction a closing leg — its direction is the
 * opposite of the position's. With no matching position there is nothing to
 * close, so rPnL is `null`. The trigger price (always present on the SDK
 * `TriggerOrder` shape) is used as the rPnL price; the optional `limitPrice`
 * for STOP_LIMIT / TAKE_PROFIT_LIMIT is the post-trigger limit, not the rPnL
 * price.
 * @public
 */
export declare function expectedRealizedPnlForTriggerOrder(order: TriggerOrder, position: Position | undefined): number | null;
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