# Package org.grails.core.util

- Interface Summary
  Interface | Description
  --- | ---
  ClassPropertyFetcher.ReferenceInstanceCallback |

- Class Summary
  Class | Description
  --- | ---
  BeanCreationProfilingPostProcessor | Adds timings of bean creation times logged to the "org.grails.startup" group
  ClassPropertyFetcher | Accesses class "properties": static fields, static getters, instance fields or instance getters.
  IncludeExcludeSupport | Simple support class for simplifying include/exclude handling
  StopWatch | Based on the Spring StopWatch class, but supporting nested tasks
  StopWatch.TaskInfo | Inner class to hold data about one task executed within the stop watch.