export declare class CDNManager {
    private baseUrl;
    /**
     * Create a new CDN Manager instance
     *
     * @param baseUrl - Base CDN URL (e.g., 'https://cdn.example.com')
     *
     * @example
     * ```typescript
     * const cdn = new CDNManager('https://cdn.example.com');
     * ```
     */
    constructor(baseUrl: string);
    /**
     * Get the base CDN URL
     *
     * @returns The base URL configured for this manager
     */
    getBaseUrl(): string;
    /**
     * Build a full CDN URL from a path
     *
     * @param path - Path to append to base URL (with or without leading slash)
     * @returns Complete CDN URL
     *
     * @example
     * ```typescript
     * const cdn = new CDNManager('https://cdn.example.com');
     * cdn.buildUrl('processed/doc123/preview.webp');
     * // 'https://cdn.example.com/processed/doc123/preview.webp'
     * ```
     */
    buildUrl(path: string): string;
    /**
     * Get the origin preview path for a document
     *
     * @param documentId - Document ID
     * @returns S3 path for origin preview
     *
     * @example
     * ```typescript
     * cdn.getOriginPreviewPath('doc123');
     * // 'processed/doc123/preview/preview.webp'
     * ```
     */
    getOriginPreviewPath(documentId: string): string;
    /**
     * Get the full CDN URL for origin preview
     *
     * @param documentId - Document ID
     * @returns Complete CDN URL for origin preview
     *
     * @example
     * ```typescript
     * cdn.getOriginPreviewUrl('doc123');
     * // 'https://cdn.example.com/processed/doc123/preview/preview.webp'
     * ```
     */
    getOriginPreviewUrl(documentId: string): string;
    /**
     * Get the origin preview thumbnail path for a document
     *
     * @param documentId - Document ID
     * @returns S3 path for origin preview thumbnail
     *
     * @example
     * ```typescript
     * cdn.getOriginPreviewThumbnailPath('doc123');
     * // 'processed/doc123/preview/thumbnail.webp'
     * ```
     */
    getOriginPreviewThumbnailPath(documentId: string): string;
    /**
     * Get the full CDN URL for origin preview thumbnail
     *
     * @param documentId - Document ID
     * @returns Complete CDN URL for origin preview thumbnail
     *
     * @example
     * ```typescript
     * cdn.getOriginPreviewThumbnailUrl('doc123');
     * // 'https://cdn.example.com/processed/doc123/preview/thumbnail.webp'
     * ```
     */
    getOriginPreviewThumbnailUrl(documentId: string): string;
    /**
     * Get the annotated preview path for a document
     *
     * @param documentId - Document ID
     * @returns S3 path for annotated preview
     *
     * @example
     * ```typescript
     * cdn.getAnnotatedPreviewPath('doc123');
     * // 'processed/doc123/annotated/preview/preview.webp'
     * ```
     */
    getAnnotatedPreviewPath(documentId: string): string;
    /**
     * Get the full CDN URL for annotated preview
     *
     * @param documentId - Document ID
     * @returns Complete CDN URL for annotated preview
     *
     * @example
     * ```typescript
     * cdn.getAnnotatedPreviewUrl('doc123');
     * // 'https://cdn.example.com/processed/doc123/annotated/preview/preview.webp'
     * ```
     */
    getAnnotatedPreviewUrl(documentId: string): string;
    /**
     * Get the annotated thumbnail path for a document
     *
     * @param documentId - Document ID
     * @returns S3 path for annotated thumbnail
     *
     * @example
     * ```typescript
     * cdn.getAnnotatedThumbnailPath('doc123');
     * // 'processed/doc123/annotated/preview/thumbnail.webp'
     * ```
     */
    getAnnotatedThumbnailPath(documentId: string): string;
    /**
     * Get the full CDN URL for annotated thumbnail
     *
     * @param documentId - Document ID
     * @returns Complete CDN URL for annotated thumbnail
     *
     * @example
     * ```typescript
     * cdn.getAnnotatedThumbnailUrl('doc123');
     * // 'https://cdn.example.com/processed/doc123/annotated/preview/thumbnail.webp'
     * ```
     */
    getAnnotatedThumbnailUrl(documentId: string): string;
    /**
     * Validate tile URL template
     *
     * @param template - URL template to validate
     * @returns True if template contains required placeholders
     *
     * @example
     * ```typescript
     * cdn.isValidTileUrl('/tiles/{z}/{x}/{y}.png'); // true
     * cdn.isValidTileUrl('/tiles/z/x/y.png'); // false
     * ```
     */
    isValidTileUrl(template: string): boolean;
}
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