/**
 * Logger interface that can be implemented by users to capture logs from pathways
 */
/**
 * Metadata interface for logger context
 */
export interface LoggerMeta {
    [key: string]: unknown;
    label?: never;
    level?: never;
    message?: never;
    timestamp?: never;
}
export interface Logger {
    /**
     * Log debug information
     * @param message The message to log
     * @param context Optional context data to include
     */
    debug(message: string, context?: LoggerMeta): void;
    /**
     * Log informational messages
     * @param message The message to log
     * @param context Optional context data to include
     */
    info(message: string, context?: LoggerMeta): void;
    /**
     * Log warning messages
     * @param message The message to log
     * @param context Optional context data to include
     */
    warn(message: string, context?: LoggerMeta): void;
    /**
     * Log error messages - supports two different method signatures:
     * 1. error(message: string, error?: Error, context?: LoggerMeta)
     * 2. error(messageOrError: string | Error, meta?: LoggerMeta)
     *
     * @param messageOrError The message to log or Error object
     * @param errorOrContext Optional error object or context data
     * @param context Optional context data (only for signature 1)
     */
    error(messageOrError: string | Error, errorOrContext?: Error | LoggerMeta, context?: LoggerMeta): void;
}
/**
 * A default console logger that logs to the console
 */
export declare class ConsoleLogger implements Logger {
    /**
     * Log debug information to the console
     * @param message The message to log
     * @param context Optional context data to include
     */
    debug(message: string, context?: LoggerMeta): void;
    /**
     * Log informational messages to the console
     * @param message The message to log
     * @param context Optional context data to include
     */
    info(message: string, context?: LoggerMeta): void;
    /**
     * Log warning messages to the console
     * @param message The message to log
     * @param context Optional context data to include
     */
    warn(message: string, context?: LoggerMeta): void;
    /**
     * Log error messages to the console
     * Supports both signature formats:
     * 1. error(message: string, error?: Error, context?: LoggerMeta)
     * 2. error(messageOrError: string | Error, meta?: LoggerMeta)
     *
     * @param messageOrError The message to log or Error object
     * @param errorOrContext Optional error object or context data
     * @param context Optional context data (only for signature 1)
     */
    error(messageOrError: string | Error, errorOrContext?: Error | LoggerMeta, context?: LoggerMeta): void;
}
/**
 * A no-operation logger that does nothing
 */
export declare class NoopLogger implements Logger {
    /**
     * No-op debug log
     * @param _message The message to log (ignored)
     * @param _context Optional context data (ignored)
     */
    debug(_message: string, _context?: LoggerMeta): void;
    /**
     * No-op info log
     * @param _message The message to log (ignored)
     * @param _context Optional context data (ignored)
     */
    info(_message: string, _context?: LoggerMeta): void;
    /**
     * No-op warning log
     * @param _message The message to log (ignored)
     * @param _context Optional context data (ignored)
     */
    warn(_message: string, _context?: LoggerMeta): void;
    /**
     * No-op error log
     * Supports both signature formats
     *
     * @param _messageOrError The message to log or Error object (ignored)
     * @param _errorOrContext Optional error object or context data (ignored)
     * @param _context Optional context data (ignored)
     */
    error(_messageOrError: string | Error, _errorOrContext?: Error | LoggerMeta, _context?: LoggerMeta): void;
}
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