/**
 * @class Suffixes
 * @description Manages the public and private suffix lists for domain parsing.
 */
export declare class Suffixes {
    private readonly publicSuffixes;
    private readonly privateSuffixes;
    /**
     * Initializes the Suffixes by loading and parsing the suffix data.
     * @param {string} tldData - The raw string data of the public suffix list.
     */
    constructor(tldData: string);
    /**
     * Parses a part of the suffix data file.
     * @param {string} part - The raw string data to parse.
     * @returns {Set<string>} A set of suffix rules.
     * @private
     */
    private parsePart;
    /**
     * Returns the set of all suffix rules (public and private).
     * @returns {Set<string>} A set of all suffix rules.
     */
    getRules(): Set<string>;
    /**
     * Checks if a given rule is a private suffix rule.
     * @param {string} rule - The rule to check.
     * @returns {boolean} True if the rule is private, false otherwise.
     */
    isPrivate(rule: string): boolean;
}