import { IDataObject } from 'n8n-workflow';
/**
 * Builds webhook object for JSON2Video API
 * Returns undefined if no webhook URL is provided
 */
export declare function buildWebhookObject(webhookUrl: string): IDataObject | undefined;
/**
 * Builds webhook object in exports format for JSON2Video API
 * This is used in basic mode for some operations
 */
export declare function buildWebhookExports(webhookUrl: string): IDataObject[] | undefined;
/**
 * Validates webhook URL format
 */
export declare function isValidWebhookUrl(url: string): boolean;
/**
 * Sanitizes webhook URL by trimming whitespace and validating format
 */
export declare function sanitizeWebhookUrl(url: string): string | null;