/**
 * page-checks.ts — the shared audit_page rule engine.
 *
 * Extracted verbatim from the inline audit_page handler so that audit_page AND
 * audit_url run the EXACT same checks over (rendered) HTML — one implementation,
 * never forked. audit_page passes raw or rendered HTML; audit_url passes the
 * rendered DOM captured at each viewport/theme.
 */
export type PageIssue = {
    severity: "error" | "warning";
    rule: string;
    message: string;
    fix: string;
};
export type PageChecksResult = {
    passes: string[];
    issues: PageIssue[];
};
export type PageChecksOptions = {
    containerMaxWidth?: number;
};
/**
 * Run Raven's design-quality checks over a block of HTML/CSS.
 * Pure (no I/O, no browser) — operates on the HTML string only.
 */
export declare function runPageChecks(html: string, opts?: PageChecksOptions): PageChecksResult;