/**
 * Type guards for event payloads.
 * DSL complies with the hook system: handlers accept HookEvent or legacy flat payloads.
 */
import type { HookEvent } from "../../types/hooks.js";
import type { PositionOpenedEvent, PositionClosedEvent, PositionFlippedEvent } from "../../types/dsl/index.js";
export declare function isHookEvent(payload: unknown): payload is HookEvent;
/** Map hook event (on_position_opened) to internal PositionOpenedEvent. */
export declare function hookToPositionOpenedEvent(event: HookEvent): PositionOpenedEvent | null;
/** Map hook event (on_position_closed) to internal PositionClosedEvent (normalization is DSL-side). */
export declare function hookToPositionClosedEvent(event: HookEvent): PositionClosedEvent | null;
/** Map hook event (on_position_flipped) to internal PositionFlippedEvent. */
export declare function hookToPositionFlippedEvent(event: HookEvent): PositionFlippedEvent | null;
export declare function isPositionOpenedEvent(payload: unknown): payload is PositionOpenedEvent;
export declare function isPositionClosedEvent(payload: unknown): payload is PositionClosedEvent;
export declare function isPositionFlippedEvent(payload: unknown): payload is PositionFlippedEvent;
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