/**
 * @module node-opcua-address-space.Private
 */
import type { BaseNode, IEventData } from "node-opcua-address-space-base";
import { NodeId } from "node-opcua-nodeid";
import { type BrowsePath, BrowsePathResult } from "node-opcua-types";
import { Variant, type VariantLike } from "node-opcua-variant";
import type { EventField } from "./event_layout.js";
type FullBrowsePath = string;
/**
 */
export declare class EventData implements IEventData {
    #private;
    eventId: NodeId;
    /**
     * @param pathToNodeId the browse-path index of the event layout, shared by every event of the type;
     *   an event built field by field (a condition snapshot) keeps an index of its own
     */
    constructor(eventTypeNode: BaseNode, pathToNodeId?: Map<FullBrowsePath, NodeId>);
    getEventDataSource(): BaseNode;
    _createValue(fullBrowsePath: string, node: BaseNode, variant: VariantLike): void;
    /** the value of one field of the layout */
    _setField(field: EventField, variant: VariantLike): void;
    _browse(browsePath: BrowsePath): BrowsePathResult | null;
    _readValue(nodeId: NodeId): Variant | null;
}
export {};