/**
 * Logger
 *
 * Sistema de logging estruturado para o framework RW-UC.
 */
/**
 * Níveis de log
 */
export type LogLevel = 'debug' | 'info' | 'warn' | 'error';
/**
 * Entrada de log
 */
export interface LogEntry {
    timestamp: string;
    level: LogLevel;
    message: string;
    context?: Record<string, unknown> | undefined;
    pipelineId?: string;
    taskId?: string;
}
/**
 * Opções do logger
 */
export interface LoggerOptions {
    level?: LogLevel;
    enableConsole?: boolean;
    enableFile?: boolean;
    filePath?: string;
    json?: boolean;
    colors?: boolean;
    prefix?: string;
}
/**
 * Logger class
 */
export declare class Logger {
    private options;
    constructor(options?: LoggerOptions);
    /**
     * Log de debug
     */
    debug(message: string, context?: Record<string, unknown>): void;
    /**
     * Log de info
     */
    info(message: string, context?: Record<string, unknown>): void;
    /**
     * Log de warning
     */
    warn(message: string, context?: Record<string, unknown>): void;
    /**
     * Log de error
     */
    error(message: string, context?: Record<string, unknown>): void;
    /**
     * Log genérico
     */
    private log;
    /**
     * Escreve no console
     */
    private writeConsole;
    /**
     * Escreve no arquivo
     */
    private writeFile;
    /**
     * Cria um logger filho com contexto adicional
     */
    child(context: {
        pipelineId?: string;
        taskId?: string;
    }): ChildLogger;
    /**
     * Define o nível de log
     */
    setLevel(level: LogLevel): void;
    /**
     * Obtém o nível de log atual
     */
    getLevel(): LogLevel;
}
/**
 * Logger filho com contexto
 */
export declare class ChildLogger {
    private parent;
    private context;
    constructor(parent: Logger, context: {
        pipelineId?: string;
        taskId?: string;
    });
    debug(message: string, context?: Record<string, unknown>): void;
    info(message: string, context?: Record<string, unknown>): void;
    warn(message: string, context?: Record<string, unknown>): void;
    error(message: string, context?: Record<string, unknown>): void;
    private mergeContext;
}
/**
 * Obtém ou cria o logger global
 */
export declare function getLogger(options?: LoggerOptions): Logger;
/**
 * Cria um novo logger
 */
export declare function createLogger(options?: LoggerOptions): Logger;
/**
 * Funções de conveniência usando logger global
 */
export declare const log: {
    debug: (message: string, context?: Record<string, unknown>) => void;
    info: (message: string, context?: Record<string, unknown>) => void;
    warn: (message: string, context?: Record<string, unknown>) => void;
    error: (message: string, context?: Record<string, unknown>) => void;
};
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