/**
 * Logger utility for the Bota SDK
 */
import type { LogLevel } from '../models/Status';
export type SdkLogLevel = Exclude<LogLevel, 'none'>;
export interface SdkLogEntry {
    level: SdkLogLevel;
    message: string;
    context?: Record<string, unknown>;
    timestamp: Date;
}
export type LogHandler = (entry: SdkLogEntry) => void;
/**
 * Logger class with configurable log levels
 */
declare class Logger {
    private level;
    private prefix;
    private handler;
    /**
     * Set the log level
     */
    setLevel(level: LogLevel): void;
    /**
     * Get the current log level
     */
    getLevel(): LogLevel;
    /**
     * Set an external log handler that receives all log entries passing the level filter
     */
    setHandler(handler: LogHandler | null): void;
    /**
     * Check if a log level should be output
     */
    private shouldLog;
    /**
     * Format a log message with optional context
     */
    private format;
    /**
     * Emit a log entry to the external handler
     */
    private emit;
    /**
     * Log a debug message
     */
    debug(message: string, context?: Record<string, unknown>): void;
    /**
     * Log an info message
     */
    info(message: string, context?: Record<string, unknown>): void;
    /**
     * Log a warning message
     */
    warn(message: string, context?: Record<string, unknown>): void;
    /**
     * Log an error message
     */
    error(message: string, error?: Error, context?: Record<string, unknown>): void;
    /**
     * Create a child logger with a specific tag
     */
    tag(tag: string): TaggedLogger;
}
/**
 * Tagged logger for component-specific logging
 */
declare class TaggedLogger {
    private parent;
    private tag;
    constructor(parent: Logger, tag: 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, error?: Error, context?: Record<string, unknown>): void;
}
/**
 * Singleton logger instance
 */
export declare const logger: Logger;
/**
 * Export types for external use
 */
export type { TaggedLogger };
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