/**
 * payments.ts — send_payment tool.
 * Executes ETH or ERC20 token transfers via the AgentAccountV2 contract.
 */
import { z } from 'zod';
export declare const SendPaymentSchema: z.ZodObject<{
    to: z.ZodString;
    amount_eth: z.ZodString;
    token: z.ZodOptional<z.ZodString>;
    token_decimals: z.ZodDefault<z.ZodOptional<z.ZodNumber>>;
    memo: z.ZodOptional<z.ZodString>;
}, "strip", z.ZodTypeAny, {
    to: string;
    amount_eth: string;
    token_decimals: number;
    token?: string | undefined;
    memo?: string | undefined;
}, {
    to: string;
    amount_eth: string;
    token?: string | undefined;
    token_decimals?: number | undefined;
    memo?: string | undefined;
}>;
export type SendPaymentInput = z.infer<typeof SendPaymentSchema>;
export declare const sendPaymentTool: {
    name: string;
    description: string;
    inputSchema: {
        type: "object";
        properties: {
            to: {
                type: string;
                description: string;
            };
            amount_eth: {
                type: string;
                description: string;
            };
            token: {
                type: string;
                description: string;
            };
            token_decimals: {
                type: string;
                description: string;
                default: number;
            };
            memo: {
                type: string;
                description: string;
                maxLength: number;
            };
        };
        required: string[];
    };
};
export declare function handleSendPayment(input: SendPaymentInput): Promise<{
    content: Array<{
        type: 'text';
        text: string;
    }>;
    isError?: boolean;
}>;
/**
 * Parse a human-readable token amount string into base units (bigint).
 * Handles floating-point precision correctly without using JavaScript floats.
 * e.g., "1.5" with decimals=6 → 1500000n
 */
export declare function parseTokenAmount(amount: string, decimals: number): bigint;
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