/**
 * Exits the process with a clear error if stdin is not a TTY.
 *
 * Call this BEFORE `render()` in cli.tsx for commands that unconditionally
 * require interactive input. Do not call from inside a component — by then
 * Ink is already mounted and the error overlay will eat your message.
 *
 * @param command - The command label for the error message, e.g. "push"
 * @param hint - Optional extra hint (e.g. "Pass --yes to skip confirmation")
 */
export declare function requireInteractive(command: string, hint?: string): void;