import { type AgentMiddleware } from "langchain";
export type ConnectedNodeTarget = {
    nodeId: string;
    clientId?: string;
    name?: string;
    capabilities?: string[];
};
type AdditionalMessageContext = {
    workspaceRoot?: string | null;
    workdir?: string | null;
    defaultOutputDir?: string | null;
    outputVirtualPath?: string | null;
    dynamicUiEnabled?: boolean;
    skillsDirectory?: string;
    nodeConnectedIdsProvider?: () => string[] | Promise<string[]>;
    nodeConnectedTargetsProvider?: () => ConnectedNodeTarget[] | Promise<ConnectedNodeTarget[]>;
    defaultNodeTargetClientId?: string;
};
export declare const additionalMessageMiddleware: (context?: AdditionalMessageContext) => AgentMiddleware;
export {};