import { z } from 'zod';
import { Tool } from '../final-answer.tool';
export declare const FileToolSchema: z.ZodObject<{
    action: z.ZodEnum<["read", "write", "append", "delete"]>;
    path: z.ZodString;
    content: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    path: string;
    action: "read" | "write" | "append" | "delete";
    content?: string | undefined;
}, {
    path: string;
    action: "read" | "write" | "append" | "delete";
    content?: string | undefined;
}>;
export type FileToolArgs = z.infer<typeof FileToolSchema>;
export type FileToolOutput = string;
/**
 * Simple file system tool supporting basic CRUD operations.
 */
export declare class FileTool implements Tool<FileToolArgs, FileToolOutput> {
    readonly name = "file";
    readonly description = "Read, write, append or delete a file on disk";
    readonly schema: z.ZodObject<{
        action: z.ZodEnum<["read", "write", "append", "delete"]>;
        path: z.ZodString;
        content: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        path: string;
        action: "read" | "write" | "append" | "delete";
        content?: string | undefined;
    }, {
        path: string;
        action: "read" | "write" | "append" | "delete";
        content?: string | undefined;
    }>;
    forward(args: FileToolArgs): Promise<FileToolOutput>;
}