/**
 * Order classification utilities.
 *
 * Type guards and classifiers that operate on SDK types to determine
 * order categories (TP/SL, open/close). These use the OrderType enum
 * for classification — no string matching.
 */
import type { OpenOrder } from '@lifi/perps-types';
import { FillClassification, OrderSide, OrderStatus } from '@lifi/perps-types';
export { FillClassification };
/**
 * Check if an open order is a Take Profit trigger order.
 * @public
 */
export declare function isTakeProfitOrder(order: Pick<OpenOrder, 'type'>): boolean;
/**
 * Check if an open order is a Stop Loss trigger order.
 * @public
 */
export declare function isStopLossOrder(order: Pick<OpenOrder, 'type'>): boolean;
/**
 * Check if an open order is a TP or SL trigger order.
 * @public
 */
export declare function isTpSlOrder(order: Pick<OpenOrder, 'type'>): boolean;
/**
 * Order statuses representing an order still resting on the book (visible
 * in `openOrders` / `triggerOrders`). Anything not in this set is terminal —
 * filled, cancelled, rejected, expired — and should be evicted from the
 * cached orders list when seen in a WS update.
 * @public
 */
export declare const ACTIVE_ORDER_STATUSES: ReadonlySet<OrderStatus>;
/**
 * Whether `status` is one of {@link ACTIVE_ORDER_STATUSES}.
 *
 * @public
 */
export declare function isActiveOrderStatus(status: OrderStatus): boolean;
/**
 * Classify a fill as open or close based on realizedPnl.
 * @deprecated Use `Fill.classification` instead — it uses startPosition
 * for accurate open/increase/reduce/close/reverse classification.
 * @public
 */
export declare function classifyFill(side: OrderSide, realizedPnl: string | null | undefined): FillClassification;
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