/**
 * Simple logging utility
 *
 * Provides structured logging with levels and optional JSON output for CI/CD.
 */
export type LogLevel = "debug" | "info" | "warn" | "error";
export interface LoggerOptions {
    level?: LogLevel;
    json?: boolean;
    prefix?: string;
}
declare class Logger {
    private level;
    private json;
    private prefix;
    constructor(options?: LoggerOptions);
    private shouldLog;
    private formatMessage;
    debug(message: string, data?: Record<string, unknown>): void;
    info(message: string, data?: Record<string, unknown>): void;
    warn(message: string, data?: Record<string, unknown>): void;
    error(message: string, data?: Record<string, unknown>): void;
}
/**
 * Default logger instance
 */
export declare const logger: Logger;
/**
 * Create a logger with custom options
 */
export declare function createLogger(options: LoggerOptions): Logger;
export {};
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