# Uses of Package
io.vertx.config

- Packages that use io.vertx.config
  Package | Description
  --- | ---
  io.vertx.config |
  io.vertx.rxjava3.config |

- Classes in io.vertx.config used by io.vertx.config
  Class and Description
  ConfigChange A structure representing a configuration change.
  ConfigRetrieverOptions Options to configure the `ConfigRetriever`.
  ConfigStoreOptions Data object representing the configuration of a configuration store.

- Classes in io.vertx.config used by io.vertx.rxjava3.config
  Class and Description
  ConfigChange A structure representing a configuration change.
  ConfigRetriever Defines a configuration retriever that read configuration from `ConfigStore` and tracks changes periodically.
  ConfigRetrieverOptions Options to configure the `ConfigRetriever`.

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