/**
 * Simple logger for SDK with configurable log levels
 */
export declare enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3,
    NONE = 4
}
export interface LoggerConfig {
    level: LogLevel;
    prefix?: string;
    enableTimestamp?: boolean;
    enableColors?: boolean;
}
export declare class Logger {
    private static instance;
    private level;
    private prefix;
    private enableTimestamp;
    private enableColors;
    private constructor();
    /**
     * Get singleton instance
     */
    static getInstance(config?: LoggerConfig): Logger;
    /**
     * Reset instance (for testing)
     */
    static resetInstance(): void;
    /**
     * Set log level
     */
    setLevel(level: LogLevel): void;
    /**
     * Get current log level
     */
    getLevel(): LogLevel;
    private formatMessage;
    private getColor;
    private resetColor;
    debug(message: string, ...args: unknown[]): void;
    info(message: string, ...args: unknown[]): void;
    warn(message: string, ...args: unknown[]): void;
    error(message: string, ...args: unknown[]): void;
    /**
     * Create a child logger with a specific prefix
     */
    child(prefix: string): Logger;
}
/**
 * Get default logger instance
 */
export declare function getLogger(): Logger;
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