import { Connection, PublicKey, TransactionInstruction } from "@solana/web3.js";
/**
 * This function can be used to create a subdomain
 * @param connection The Solana RPC connection object
 * @param subdomain The subdomain to create with or without .sol e.g something.sns.sol or something.sns
 * @param owner The owner of the parent domain creating the subdomain
 * @param space The space to allocate to the subdomain (defaults to 2kb)
 * @param feePayer Optional: Specifies a fee payer different from the parent owner
 */
export declare const createSubdomain: (connection: Connection, subdomain: string, owner: PublicKey, space?: number, feePayer?: PublicKey) => Promise<TransactionInstruction[]>;