import { McpAggregatorConfig, ExpressOptions } from '../../common/types.js';
declare const create: (config: McpAggregatorConfig, options?: {
    express: ExpressOptions;
}) => {
    start: () => Promise<void>;
    stop: () => Promise<void>;
} | {
    start: (port?: number) => Promise<void>;
    stop: () => Promise<void>;
    set: (key: string, value: any) => void;
};
export { create };