/**
 * Logging utility for structured logging and debugging.
 * Terminal output is rendered via consola (leveled, tagged, colored);
 * entries are also kept in memory for programmatic inspection.
 */
import type { TUnknownOrAny } from '../types';
export declare enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3
}
export interface LogEntry {
    timestamp: string;
    level: LogLevel;
    message: string;
    context?: Record<string, TUnknownOrAny> | undefined;
    error?: Error | undefined;
}
export declare class Logger {
    private static instance;
    private logLevel;
    private logs;
    private constructor();
    static getInstance(): Logger;
    setLogLevel(level: LogLevel): void;
    debug(message: string, context?: Record<string, TUnknownOrAny>): void;
    info(message: string, context?: Record<string, TUnknownOrAny>): void;
    warn(message: string, context?: Record<string, TUnknownOrAny>): void;
    error(message: string, error?: Error, context?: Record<string, TUnknownOrAny>): void;
    private log;
    private formatLogEntry;
    getLogs(level?: LogLevel): LogEntry[];
    clearLogs(): void;
    getLogsAsString(level?: LogLevel): string;
}
export declare const logger: Logger;
export declare const logDebug: (message: string, context?: Record<string, TUnknownOrAny>) => void;
export declare const logInfo: (message: string, context?: Record<string, TUnknownOrAny>) => void;
export declare const logWarn: (message: string, context?: Record<string, TUnknownOrAny>) => void;
export declare const logError: (message: string, error?: Error, context?: Record<string, TUnknownOrAny>) => void;
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