import { SUPPORT_PROJECT_TYPE } from '../types';
/**
 * A version 1 OP_RETURN builder for deposit
 * @returns The serialized OP_RETURN data
 * @param projectInfo
 * @param targetChainIndex
 * @param targetChainAddress
 * @param vaultChainIndex
 * @param vaultContractAddress
 */
export declare const opReturnBuilderVersion1: (projectInfo: SUPPORT_PROJECT_TYPE, targetChainIndex: number, targetChainAddress: string, vaultChainIndex: number, vaultContractAddress: string) => Buffer;
export declare function convertAddressToBuffer(address: string): Buffer;