/**
 * Load common passwords from bundled file
 *
 * This function loads once on first call and caches the result.
 * Subsequent calls return the cached Set immediately.
 *
 * File location: packages/core/src/data/common-passwords-10000.txt
 * Format: One password per line, lowercase
 *
 * @returns Set of common passwords (lowercase)
 *
 * @example
 * ```typescript
 * // Load passwords (cached after first call)
 * const passwords = loadCommonPasswords();
 *
 * // Check if password is common
 * if (passwords.has('mypassword'.toLowerCase())) {
 *   console.log('Password is too common');
 * }
 * ```
 */
export declare function loadCommonPasswords(): Set<string>;
/**
 * Check if a password is in the common password list
 *
 * Case-insensitive comparison.
 *
 * @param password - Password to check
 * @returns True if password is common, false otherwise
 *
 * @example
 * ```typescript
 * if (isCommonPassword('Password123')) {
 *   throw new Error('Password is too common');
 * }
 * ```
 */
export declare function isCommonPassword(password: string): boolean;
/**
 * Get the size of the common password list
 *
 * @returns Number of passwords in the list
 */
export declare function getCommonPasswordCount(): number;
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