/**
 * Checks whether an email address belongs to a known disposable email provider.
 *
 * @param email - A full email address (e.g. `"user@mailinator.com"`).
 * @returns `true` if the domain is disposable, `false` if the email is
 *          invalid or the domain is not in the blocklist.
 *
 * @example
 * ```ts
 * isDisposableEmail("user@mailinator.com"); // true
 * isDisposableEmail("user@gmail.com");      // false
 * isDisposableEmail("not-an-email");        // false
 * ```
 */
export declare function isDisposableEmail(email: string): boolean;
/**
 * Checks whether a bare domain is a known disposable email provider.
 *
 * @param domain - A domain name (e.g. `"mailinator.com"`).
 * @returns `true` if the domain is in the blocklist.
 *
 * @example
 * ```ts
 * isDisposableDomain("mailinator.com"); // true
 * isDisposableDomain("gmail.com");      // false
 * ```
 */
export declare function isDisposableDomain(domain: string): boolean;
/**
 * Returns a sorted array of all known disposable email domains.
 *
 * Each call returns a **new** array copy, so mutations do not affect
 * the internal dataset.
 *
 * @returns A sorted `string[]` of disposable domains.
 *
 * @example
 * ```ts
 * const domains = getDisposableDomains();
 * console.log(domains.length); // ~5134
 * ```
 */
export declare function getDisposableDomains(): string[];
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