import { AnnotationRoot, StateDefinition } from "@langchain/langgraph";
/**
 * create state for langgraph
 * @example
 * export const GraphState = createState(createReactAgentAnnotation(), ModelState, SwarmState).build({
 *   current_plan: createDefaultAnnotation<Plan | null>(() => null),
 *   title: createDefaultAnnotation<string>(() => ""),
 *});
 */
export declare const createState: <T extends readonly AnnotationRoot<any>[]>(...parents: T) => {
    build: <D extends StateDefinition>(state?: D) => any;
};
export declare const createDefaultAnnotation: <T>(defaultValue: () => T) => any;