import { StructuredTool } from "langchain/tools";
import { PharosAgentKit } from "../../agent";
import { z } from "zod";
declare const PharosERC20BalanceInputSchema: z.ZodObject<{
    contract_address: z.ZodOptional<z.ZodString>;
    ticker: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    ticker?: string | undefined;
    contract_address?: string | undefined;
}, {
    ticker?: string | undefined;
    contract_address?: string | undefined;
}>;
export declare class PharosERC20BalanceTool extends StructuredTool<typeof PharosERC20BalanceInputSchema> {
    private readonly pharosKit;
    name: string;
    description: string;
    schema: z.ZodObject<{
        contract_address: z.ZodOptional<z.ZodString>;
        ticker: z.ZodOptional<z.ZodString>;
    }, "strip", z.ZodTypeAny, {
        ticker?: string | undefined;
        contract_address?: string | undefined;
    }, {
        ticker?: string | undefined;
        contract_address?: string | undefined;
    }>;
    constructor(pharosKit: PharosAgentKit);
    protected _call(input: z.infer<typeof PharosERC20BalanceInputSchema>): Promise<string>;
}
export {};
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