import type { Transaction } from '@iota/iota-sdk/transactions';
export declare function isSubname(name: string): boolean;
/**
 * Checks if a name is a nested subname.
 * A nested subname is a subname that is a subname of another subname.
 * @param name The name to check (e.g test.example.sub.iota)
 */
export declare function isNestedSubname(name: string): boolean;
/**
 * The years must be between 1 and 5.
 */
export declare function validateYears(years: number): void;
export declare function zeroCoin(tx: Transaction, type: string): import("@iota/iota-sdk/dist/cjs/transactions/Transaction.js").TransactionResult;
export declare function getConfigType(iotaNamesPackageV1: string, innerType: string): string;
export declare function getNameType(iotaNamesPackageV1: string): string;
export declare function getPricelistConfigType(iotaNamesPackageId: string): string;
export declare function getRenewalPricelistConfigType(iotaNamesPackageId: string): string;
export declare function getNameRegistrationType(iotaNamesPackageId: string): string;
export declare function getSubnameRegistrationType(iotaNamesPackageId: string): string;
export declare function getCoreConfigType(iotaNamesPackageId: string): string;