import { type AgentMiddleware } from "langchain";
type ToolResultWriteResult = {
    error?: string;
    path?: string;
    filesUpdate?: Record<string, unknown> | null;
};
type ToolResultBackend = {
    write: (filePath: string, content: string) => Promise<ToolResultWriteResult> | ToolResultWriteResult;
};
type LargeToolResultsMiddlewareOptions = {
    backend: () => ToolResultBackend;
    toolTokenLimitBeforeEvict?: number;
    excludedTools?: Iterable<string>;
};
export declare const createLargeToolResultsMiddleware: (options: LargeToolResultsMiddlewareOptions) => AgentMiddleware;
export {};