/**
 * Identyfikatory i correlation tracking.
 *
 * Każda akcja użytkownika ma `CorrelationId`, który propaguje się przez
 * EventBus, DataBus, Transport, Audit i Telemetry — umożliwia
 * end-to-end śledzenie i forensics.
 */
export type CorrelationId = string & {
    readonly _brand: 'CorrelationId';
};
export type SessionId = string & {
    readonly _brand: 'SessionId';
};
export type WidgetId = string & {
    readonly _brand: 'WidgetId';
};
export type PageId = string & {
    readonly _brand: 'PageId';
};
export type DatasourceId = string & {
    readonly _brand: 'DatasourceId';
};
export type EventId = string & {
    readonly _brand: 'EventId';
};
/** Generator correlation ID — w mock mode deterministyczny, w prod zwykle UUID v4/v7. */
export interface CorrelationIdGenerator {
    next(): CorrelationId;
}
export declare const CORRELATION_ID_GENERATOR: import("../index.js").EchelonToken<CorrelationIdGenerator>;
/** Helper do brandowania stringów w miejscach, gdzie dostajemy plain string z configu. */
export declare const asCorrelationId: (value: string) => CorrelationId;
export declare const asSessionId: (value: string) => SessionId;
export declare const asWidgetId: (value: string) => WidgetId;
export declare const asPageId: (value: string) => PageId;
export declare const asDatasourceId: (value: string) => DatasourceId;
export declare const asEventId: (value: string) => EventId;
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