export interface LighthouseAudit {
    readonly id: string;
    readonly title: string;
    readonly description: string;
    readonly score: number | null;
    readonly displayValue: string | null;
    readonly numericValue: number | null;
    readonly numericUnit: string | null;
}
export interface LighthouseScores {
    readonly performance: number | null;
    readonly accessibility: number | null;
    readonly bestPractices: number | null;
    readonly seo: number | null;
}
export interface LighthouseResult {
    readonly scores: LighthouseScores;
    readonly audits: readonly LighthouseAudit[];
    readonly url: string;
    readonly timestamp: string;
    readonly lighthouseVersion: string;
    readonly runWarnings: readonly string[];
}
/**
 * Run a Lighthouse audit against the given URL.
 *
 * Spawns the Lighthouse CLI in a separate process so it manages its
 * own Chrome instance, avoiding conflicts with the puppeteer browser
 * used by other tools.
 */
export declare function runLighthouse(url: string, options?: {
    readonly chromePath?: string;
}): Promise<LighthouseResult>;
/**
 * Run Lighthouse and return the FULL raw JSON result (LHR).
 *
 * Unlike `runLighthouse`, which extracts only key scores and audits,
 * this returns the entire Lighthouse result object for deep analysis
 * by the lighthouse-deep extraction functions.
 */
export declare function runLighthouseDeep(url: string, options?: {
    readonly chromePath?: string;
}): Promise<Record<string, unknown>>;
/**
 * Format a Lighthouse result into a human-readable Markdown report.
 */
export declare function formatLighthouseReport(result: LighthouseResult): string;
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