import { z } from 'zod';
import { Tool, ToolParams } from '@langchain/core/tools';
import { HederaAgentKit } from '../../../agent/agent';
import { Logger as StandardsSdkLogger } from '@hashgraphonline/standards-sdk';

declare const GetFileContentsZodSchema: z.ZodObject<{
    fileId: z.ZodString;
    outputEncoding: z.ZodDefault<z.ZodOptional<z.ZodEnum<["utf8", "base64"]>>>;
}, "strip", z.ZodTypeAny, {
    fileId: string;
    outputEncoding: "utf8" | "base64";
}, {
    fileId: string;
    outputEncoding?: "utf8" | "base64" | undefined;
}>;
export interface HederaGetFileContentsToolParams extends ToolParams {
    hederaKit: HederaAgentKit;
    logger?: StandardsSdkLogger;
}
export declare class HederaGetFileContentsTool extends Tool {
    protected hederaKit: HederaAgentKit;
    protected logger: StandardsSdkLogger;
    name: string;
    description: string;
    constructor({ hederaKit, logger, ...rest }: HederaGetFileContentsToolParams);
    protected _call(input: string | z.infer<typeof GetFileContentsZodSchema>): Promise<string>;
}
export {};