import { StructuredTool } from "langchain/tools";
import { PharosAgentKit } from "../../agent";
import { z } from "zod";
declare const PharosERC721BalanceInputSchema: z.ZodObject<{
    tokenAddress: z.ZodString;
}, "strip", z.ZodTypeAny, {
    tokenAddress: string;
}, {
    tokenAddress: string;
}>;
export declare class PharosERC721BalanceTool extends StructuredTool<typeof PharosERC721BalanceInputSchema> {
    private readonly pharosKit;
    name: string;
    description: string;
    schema: z.ZodObject<{
        tokenAddress: z.ZodString;
    }, "strip", z.ZodTypeAny, {
        tokenAddress: string;
    }, {
        tokenAddress: string;
    }>;
    constructor(pharosKit: PharosAgentKit);
    protected _call(input: z.infer<typeof PharosERC721BalanceInputSchema>): Promise<string>;
}
export {};
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