Method warn

packages/angular_devkit/core/src/logger/logger.ts:26–26

(message: string, metadata?: JsonObject)

  debug(message: string, metadata?: JsonObject): void;
  info(message: string, metadata?: JsonObject): void;
  warn(message: string, metadata?: JsonObject): void;
  error(message: string, metadata?: JsonObject): void;
  fatal(message: string, metadata?: JsonObject): void;
}