/**
 * Single-line animated spinner for long-running status updates. Writes
 * `\r{frame} {message}` on each tick to rewrite the current line in place.
 *
 * In non-interactive environments (no TTY, or CI=1) the spinner is a no-op —
 * providers already `console.log` status transitions, so CI logs stay readable.
 */
export default class Spinner {
    private frame;
    private timer;
    private message;
    private active;
    private readonly interactive;
    constructor();
    /** Starts (or refreshes) the spinner with the given message. */
    start(message: string): void;
    /** Updates the visible message; starts the spinner if it wasn't running. */
    setMessage(message: string): void;
    /**
     * Clears the current spinner line without stopping the timer. Call before
     * printing unrelated output that shouldn't be overwritten by the next tick.
     */
    clearLine(): void;
    /**
     * Stops the animation, clears the line, and optionally prints a final
     * non-animated line in its place.
     */
    stop(finalLine?: string): void;
    isActive(): boolean;
    private render;
}
//# sourceMappingURL=spinner.d.ts.map