import { MatchResult, ParsedRule } from './types';
/**
 * Convert a single Adblock network pattern into a RegExp.
 *
 * Supported tokens (the subset that covers the vast majority of real rules):
 *   ||  domain anchor — matches the start of a host or any subdomain boundary
 *   |   address-boundary anchor at start/end
 *   *   wildcard (any sequence)
 *   ^   separator character
 *
 * Adblock `$options` (e.g. `$third-party`, `$domain=`) are intentionally
 * stripped: this MVP answers "does the URL pattern match?", not the full
 * request-context decision an in-browser engine makes. That limitation is
 * documented rather than hidden, because silently pretending to honor options
 * would give users false confidence.
 */
export declare function ruleToRegex(pattern: string): RegExp;
/**
 * Decide whether `url` is blocked by `rules`.
 *
 * Exception (`@@`) rules win over blocking rules — this mirrors how real filter
 * engines resolve conflicts, so the result matches what a user would actually
 * experience in their browser.
 */
export declare function matchUrl(url: string, rules: ParsedRule[]): MatchResult;