import { Logger, LogEvent } from "../types/logger.type";
/**
 * Emits a log message, using structured logging when the logger supports it.
 *
 * If the logger implements {@link StructuredLogger}, the event metadata (eventId,
 * category, properties) is forwarded via `logEvent()`. Otherwise, the message is
 * logged via the plain `Logger` method for the given level.
 *
 * @param logger - The logger instance.
 * @param level - The log level.
 * @param event - Structured event metadata.
 * @param message - The formatted log message string.
 *
 * @internal
 */
export declare function emitLog(logger: Logger, level: "error" | "warn" | "info" | "debug", event: LogEvent, message: string): void;