/**
 * The small structural slice of Playwright's Page used by the audit. Keeping
 * this type dependency-free lets the browser-truth checker ship in the main
 * package while the CLI still loads Playwright only on demand.
 */
export interface LayoutAuditPage {
    evaluate<Result>(fn: () => Result | Promise<Result>): Promise<Awaited<Result>>;
    evaluate<Result, Arg>(fn: (arg: Arg) => Result | Promise<Result>, arg: Arg): Promise<Awaited<Result>>;
    waitForSelector(selector: string, options?: {
        state?: "attached" | "visible";
        timeout?: number;
    }): Promise<unknown>;
    viewportSize(): {
        width: number;
        height: number;
    } | null;
    setViewportSize(size: {
        width: number;
        height: number;
    }): Promise<void>;
}
export interface LayoutDiagnostic {
    severity: "error" | "warning";
    element: string;
    message: string;
    fix: string;
    /** Managed-tier geometry failures are usually library bugs — say so instead of blaming the manifest. */
    blame: "manifest" | "library";
    /** Viewport width (CSS px) the failure was observed at. */
    width: number;
}
export interface AuditOptions {
    /** Viewport widths to sweep — exercises responsive behavior in one pass. */
    widths?: number[];
}
export declare const DEFAULT_AUDIT_WIDTHS: number[];
export declare const EDGE_TOLERANCE_PX = 2;
/**
 * THE exemption table (spec: "Widget Layout Manager" — exemptions live in
 * ONE enumerated place so feature growth can't quietly hollow the checker).
 * Every entry names its expiry condition.
 *
 * No exemptions remain: responsive auto-fold makes the full narrow-width
 * sweep a release gate.
 */
export declare const AUDIT_EXEMPTIONS: readonly [];
/** Settle contract — resolve when layout is trustworthy, never a timeout. Handles both lanes (React pages have no <om-map> element — slot containers are the common marker). */
export declare function settleLayout(page: LayoutAuditPage): Promise<void>;
/**
 * Run the audit across a viewport-width sweep. The page must already be
 * loaded (`page.goto` done); each width re-settles before measuring.
 */
export declare function auditLayout(page: LayoutAuditPage, opts?: AuditOptions): Promise<LayoutDiagnostic[]>;