/**
 * Log types:
 * - I: For development debugging
 * - S: For successful operations
 * - W: For warning messages
 * - E: For error messages
 */
export type LogType = 'I' | 'W' | 'E' | 'S';
export declare function log(type: LogType, message: string): void;
export declare const formatError: (error: unknown) => string;