/**
 * Shared IndexNow utilities for build-time and runtime
 * This module has no Nuxt/Nitro dependencies so it can be used in both contexts
 */
export declare const INDEXNOW_HOSTS: string[];
/**
 * Get IndexNow endpoints, with test override support
 */
export declare function getIndexNowEndpoints(): string[];
export interface IndexNowSubmitResult {
    success: boolean;
    error?: string;
    host?: string;
}
export interface IndexNowRequestBody {
    host: string;
    key: string;
    keyLocation: string;
    urlList: string[];
}
/**
 * Build the IndexNow API request body
 */
export declare function buildIndexNowBody(routes: string[], key: string, siteUrl: string): IndexNowRequestBody;
export interface SubmitOptions {
    /** Custom fetch implementation (defaults to globalThis.fetch) */
    fetchFn?: typeof fetch;
    /** Per-request timeout in ms (default 10000) */
    timeoutMs?: number;
    /** Logger for debug/warn messages (optional) */
    logger?: {
        debug: (msg: string) => void;
        warn: (msg: string) => void;
    };
}
/**
 * Submit URLs to IndexNow API with fallback on rate limit
 * Works in both build-time (native fetch) and runtime ($fetch) contexts
 */
export declare function submitToIndexNowShared(routes: string[], key: string, siteUrl: string, options?: SubmitOptions): Promise<IndexNowSubmitResult>;
export interface PageHashMeta {
    route: string;
    hash: string;
}
export interface BuildMetaChanges {
    changed: number;
    added: number;
    removed: number;
    changedRoutes?: string[];
    addedRoutes?: string[];
    removedRoutes?: string[];
}
export interface BuildMeta {
    buildId: string;
    pageCount: number;
    createdAt: string;
    /** Changes from previous build (only present if prevMeta was available) */
    changes?: BuildMetaChanges;
    /** Page hashes - object format (new) or array format (legacy) */
    pages: Record<string, string> | PageHashMeta[];
}
/**
 * Compare page hashes between current and previous builds
 * Returns changed, added, and removed routes
 */
export declare function comparePageHashes(currentPages: Record<string, string> | PageHashMeta[], prevMeta: BuildMeta | null | undefined): {
    changed: string[];
    added: string[];
    removed: string[];
};