/**
 * Typewriter animation for CLI streaming output.
 * Writes text character-by-character with a configurable delay.
 * @module cli/utils/typewriter
 */
/**
 * Write text to stdout with a per-character typewriter animation.
 * Falls back to raw write when delay is 0 or negative.
 */
export declare function typewriterWrite(text: string, delayMs?: number): Promise<void>;
/** Whether typewriter animation should be used for the current process. */
export declare function shouldAnimate(): boolean;
/**
 * Write text to stdout with animation when stdout is a TTY, otherwise
 * fall back to a raw write. Use this from CLI streaming code paths to
 * keep the behaviour consistent in one place.
 */
export declare function animatedWrite(text: string): Promise<void>;