export type LogLevel = "debug" | "info" | "warn" | "error";
export declare class Logger {
    verbose: boolean;
    /** Informational message (cyan prefix). */
    info(message: string, ...args: unknown[]): void;
    /** Success message (green prefix + checkmark). */
    success(message: string, ...args: unknown[]): void;
    /** Warning message (yellow prefix). */
    warn(message: string, ...args: unknown[]): void;
    /** Error message (red prefix). */
    error(message: string, ...args: unknown[]): void;
    /** Debug message — only shown when verbose mode is enabled. */
    debug(message: string, ...args: unknown[]): void;
    /**
     * Print a prominent phase transition header.
     *
     * Example output:
     * ```
     * ═══ PLANNING PHASE ═══
     * ```
     */
    phase(name: string): void;
    /**
     * Print a sprint status update.
     *
     * @param id     Sprint identifier.
     * @param status Current status label.
     */
    sprint(id: string, status: string): void;
    /**
     * Print a simple text-based progress indicator.
     *
     * Example: `[████████░░░░░░░░] 4/10 Generating...`
     *
     * @param current Completed items.
     * @param total   Total items.
     * @param label   Optional description.
     */
    progress(current: number, total: number, label?: string): void;
}
/**
 * Singleton logger instance used across the application.
 */
export declare const logger: Logger;
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