import { CausalityLog, Event } from '../shared/types/Events.types';
import { QueryBuilder } from './builders/Query.builder';
/**
 * The limit from which data cannot escape.
 * It holds a history of all past events and allows the search of it
 */
export declare class EventHorizon {
    readonly causalityLogs: CausalityLog<unknown[]>[];
    /**
     * Adds a new event record to the causality log.
     * This method should be called whenever a new event is emitted.
     * @param event The name of the event that occurred.
     * @param args The arguments that were passed when the event was emitted.
     */
    add<TArgs extends unknown[]>(event: Event, ...args: TArgs): this;
    /**
     * Begins a new query of past events.
     * Returns a new QueryBuilder instance, allowing for a safe, chainable,
     * and state-isolated way to search the causality log.
     * @returns A new instance of `QueryBuilder`.
     */
    query(): QueryBuilder;
}