import type { DevBuildOptions } from "./general.types";
import { Dict } from '@giveback007/util-lib';
export declare function devBrowser(opts: DevBuildOptions & {
    /** List of js/ts/etc.. extensions to watch for changes. This will build and reload the browser.
     *
     * Default: `['tsx', 'ts', 'js', 'jsx', 'json']`. Specifying this replaces the defaults completely.
     */
    jsExts?: string[];
    /** List of css extensions to watch for changes. This will only build css files and hot-reload
     * them without refreshing the browser.
     *
     * Default: `['sass', 'scss', 'css']`. Specifying this replaces the defaults completely.
     */
    cssExts?: string[];
    /** Localhost port for dev server. Eg `3000` -> `http://localhost:3000/`
     *
     * Default: `3000`.
     */
    port?: number;
    /** Options for adding environment variables */
    env?: {
        /** .env files to add */
        envFile?: string | string[];
        /** can define variables here: eg: { isDev: true } -> globalThis.isDev === true */
        define?: Dict<string | boolean | number>;
    };
}): Promise<void>;