import type { DefinedEnvVariablesFn } from '../types/types-env-variables.js';
/**
 * The environment variables to be injected into the html template.
 *
 * The html will be injected during the compilation stage
 *
 * window.GLOBAL_ENV_VARIABLES = envVariables[env]
 *
 * @example
 * ```ts
 * export definedEnvVariables<{
 *   apiBase: string;
 * }>({
 *   prod: {
 *     apiBase: 'https://api.prod.example.com',
 *   },
 * }),
 * ```
 */
export declare const defineEnvVariables: DefinedEnvVariablesFn;