/**
 * Logger interface for SDK logging
 * Allows users to provide custom logger implementations
 */
export interface Logger {
    /**
     * Log debug messages
     * @param message - The message to log
     * @param args - Additional arguments
     */
    debug(message: string, ...args: unknown[]): void;
    /**
     * Log informational messages
     * @param message - The message to log
     * @param args - Additional arguments
     */
    info(message: string, ...args: unknown[]): void;
    /**
     * Log warning messages
     * @param message - The message to log
     * @param args - Additional arguments
     */
    warn(message: string, ...args: unknown[]): void;
    /**
     * Log error messages
     * @param message - The message to log
     * @param args - Additional arguments
     */
    error(message: string, ...args: unknown[]): void;
}
/**
 * Default console logger implementation
 * Only logs if enabled via configuration
 */
export declare class ConsoleLogger implements Logger {
    private readonly enabled;
    constructor(enabled?: boolean);
    debug(message: string, ...args: unknown[]): void;
    info(message: string, ...args: unknown[]): void;
    warn(message: string, ...args: unknown[]): void;
    error(message: string, ...args: unknown[]): void;
}
/**
 * No-op logger that doesn't log anything
 * Useful for production environments
 */
export declare class NoOpLogger implements Logger {
    debug(_message: string, ..._args: unknown[]): void;
    info(_message: string, ..._args: unknown[]): void;
    warn(_message: string, ..._args: unknown[]): void;
    error(_message: string, ..._args: unknown[]): void;
}
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