import type { Address } from '../types.js';
import type { Abi } from 'viem';
export type toERC681Params = {
    /** Parameters for the ERC-681 URI */
    /** ABI of the target contract */
    abi?: Abi | unknown[];
    /** Ethereum address of the target contract or account */
    address: Address;
    /** Function name to call on the target contract */
    functionName?: string;
    /** Arguments to pass to the contract function */
    args?: (string | number | bigint)[];
    /** Value to send with the transaction */
    value?: bigint;
    /** Gas limit for the transaction */
    gas?: bigint;
    /** Gas price for the transaction */
    gasPrice?: bigint;
    /** Chain ID for the transaction */
    chainId?: number;
};
/**
 * Creates an ERC-681 compliant URI for Ethereum payment or function call requests.
 *
 * @see {@link https://eips.ethereum.org/EIPS/eip-681 | EIP-681: URL Format for Transaction Requests}
 * @returns An ERC-681 compliant URI
 *
 * @example
 * Payment request
 * ```typescript
 * toERC681({ address: '0x0000000000000000000000000000000000000000', value: 1000000n })
 * // => "ethereum:0x0000000000000000000000000000000000000000?value=1000000"
 * ```
 *
 * @example
 * Function call with chain ID
 * ```typescript
 * toERC681({
 *   address: '0x0000000000000000000000000000000000000000',
 *   functionName: 'transfer',
 *   args: ['0x0000000000000000000000000000000000000000', '1000'],
 *   chainId: 1
 * })
 * // => "ethereum:0x0000000000000000000000000000000000000000@1/transfer?address=0x0000000000000000000000000000000000000000&uint256=1000"
 * ```
 */
export declare function toERC681({ abi, address, functionName, args, value, gas, gasPrice, chainId, }: toERC681Params): string;