/** Inputs that decide whether auto-opening a browser is appropriate. */
export interface AutoOpenEnv {
    env?: NodeJS.ProcessEnv;
    platform?: NodeJS.Platform;
    /** Whether stderr is an interactive terminal. */
    isTTY?: boolean;
}
/**
 * Whether `--serve` should auto-open the browser for the current environment.
 *
 * Opens only for an interactive session — suppressed under CI, when stderr is
 * not a TTY (agent/piped runs), or on Linux without a display server — so
 * automation never spawns a browser unexpectedly. An explicit `--no-open` is a
 * separate, always-on override handled by the caller.
 */
export declare function shouldAutoOpen({ env, platform, isTTY, }?: AutoOpenEnv): boolean;
/** The platform-specific command that opens `url` in the default browser. */
export declare function browserCommand(url: string, platform: NodeJS.Platform): [string, string[]];
/**
 * Best-effort open of `url` in the default browser. Never throws and never
 * blocks — a missing opener just leaves the printed URL as the fallback.
 */
export declare function openBrowser(url: string, platform?: NodeJS.Platform): void;