import type { Identifier } from './Identifier.ts';
export interface IIdentifierProvider {
    /**
     * Generates and returns a new unique identifier suitable for aggregates, sagas, and events.
     *
     * @returns A promise resolving to an identifier or an identifier itself.
     */
    getNewId(): Identifier | Promise<Identifier>;
}
export declare const isIdentifierProvider: (obj: any) => obj is IIdentifierProvider;