/**
 * Builds P2WPKH address and scriptPubKey for the given public key.
 * @param pubkey - compressed public key buffer
 * @param testnet - when true, builds testnet address
 * @returns address and scriptPubKey hex
 * @throws AddressError
 */
export declare function p2wpkhAddress(pubkey: Buffer, testnet?: boolean): {
    address: string;
    scriptPubKey: string;
};