import type { Template } from '@js-template-engine/types';
/**
 * Resolves a source argument to the template files it names.
 *
 * A file path resolves to itself; a directory resolves to every template
 * file directly inside it (`.json`, `.ts`, `.js`, `.mjs`, `.cjs`), sorted
 * by name. Subdirectories are not searched.
 *
 * @param source - A template file or a directory of template files.
 * @returns Absolute paths of the template files to process.
 */
export declare function resolveTemplateSources(source: string): string[];
/**
 * Loads a template from a file.
 *
 * `.json` files are parsed as JSON. `.ts`, `.js`, `.mjs`, and `.cjs` files
 * are loaded as modules and must default-export the template.
 *
 * @param filePath - Absolute path of the template file.
 * @returns The template the file defines.
 */
export declare function loadTemplate(filePath: string): Promise<Template>;