/**
 * Test function to demonstrate the usage of renderDraftPreviewsWithLayers
 *
 * @param psdUrl URL of a PSD file to use for testing
 * @param renderedLayerImages Array of URLs for rendered layer images
 * @returns Promise that resolves to the rendered PNG data URL
 */
export declare function testPsdRenderer(psdUrl: string, renderedLayerImages?: string[]): Promise<string>;
/**
 * Renders a PSD file replacing a specific layer with a rendered image
 *
 * @param psdUrl URL of the PSD file to process
 * @param layerName Name of the layer to replace
 * @param renderedImageUrl URL of the image to use for replacement
 * @returns Promise that resolves to the rendered PNG data URL
 */
export declare function renderPsdWithReplacedLayer(psdUrl: string, layerName: string, renderedImageUrl: string): Promise<string>;