/**
 * Output formatting utilities.
 *
 * Default: JSON (optimized for AI agent parsing)
 * --format table: Human-readable tables
 * --format minimal: Compact single-line output for piping
 */
export type OutputFormat = 'json' | 'table' | 'minimal';
export declare function formatOutput(data: any, format?: OutputFormat): string;
export declare function printOutput(data: any, format?: OutputFormat): void;
export declare function printError(message: string): void;