import { IExecuteFunctions, INodeExecutionData, INodeType, INodeTypeDescription } from 'n8n-workflow';
/**
 * n8n node for creating videos using the JSON2Video API
 */
export declare class CreateJ2vMovie implements INodeType {
    description: INodeTypeDescription;
    /**
     * Execute the node for each input item
     */
    execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]>;
}
/**
 * Extract error message from various error types
 */
export declare function extractErrorMessage(error: unknown): string;
/**
 * Extract parameter-specific error messages
 */
export declare function extractParameterErrorMessage(error: unknown): string;
/**
 * Extract main error by removing common error prefixes
 */
export declare function extractMainErrorMessage(message: string): string;
/**
 * Check if request contains meaningful content
 */
export declare function isEmptyRequest(request: any): boolean;
/**
 * Create base return array structure
 */
export declare function createBaseArray(): INodeExecutionData[][];