/**
 * Colorful CLI UI: ANSI colors, circle progress graph, auth and step feedback.
 */
/**
 * Build a circle-style progress bar: done filled, (total - done) empty.
 * Color: filled = cyan, empty = dim.
 */
export declare function circleProgress(done: number, total: number): string;
/**
 * Print "Auth: checking..." in yellow.
 */
export declare function printAuthChecking(): void;
/**
 * Print "Auth: ✓ successful" in green.
 */
export declare function printAuthSuccess(): void;
/**
 * Print "Auth: ✗ failed" in red with optional message.
 */
export declare function printAuthFailure(message?: string): void;
/**
 * Print "Rate limited (429)" in yellow with hint to retry or use another model.
 */
export declare function printRateLimited(message?: string): void;
/**
 * Print one step with circle graph: "  Step X/Y: message    [●●●○○] X/Y"
 */
export declare function printStep(current: number, total: number, message: string): void;
/**
 * Print AI mode header (colorful).
 */
export declare function printAiModeHeader(): void;
/**
 * Print "AI steps done." in green.
 */
export declare function printAiStepsDone(): void;
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