/**
 * Log represents a single event message to record.
 */
export type Log = {
    /**
     * Additional contexts to include.
     */
    contexts?: Record<string, string>;
    message: string;
    timestamp?: Date;
};
/**
 * Logger gathers/emits {@link Log}.
 */
export interface Logger {
    /**
     * Record logs by {@link Logger}.
     * @param log log to record
     */
    log: (log: Log) => void;
    /**
     * Record error logs by {@link Logger}.
     * @param log error log to record
     */
    error: (log: Log) => void;
    /**
     * Record warn logs by {@link Logger}.
     * @param log warn log to record
     */
    warn: (log: Log) => void;
}
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