import type { State } from "../../state/state.js";
import { EntityActionDefinition } from "../entity/entityAction.js";
import { MessageActionDefinition } from "../message/messageAction.js";
export type CompoundActionChild<S extends State> = EntityActionDefinition<S> | MessageActionDefinition<S>;
/**
 * @ignore
 */
export declare function canActionBeInCompound<S extends State>(o: unknown): o is CompoundActionChild<S>;