anchor.diff:  [[extensions-overview]]
   === Overview
   
  -In contrast to the competing `Runner`, `@Rule`, and `@ClassRule` extension points in
  +In contrast to the competing `Runner`, `TestRule`, and `MethodRule` extension points in
   JUnit 4, the JUnit Jupiter extension model consists of a single, coherent concept: the
   `Extension` API. Note, however, that `Extension` itself is just a marker interface.
   
  
positive.code: }
  ----
  
  To register a custom `RandomParametersExtension` for all tests in a particular class and its
  subclasses, you would annotate the test class as follows.
  
  [source,java,indent=0]
  ----
  
negative.code: annotation>>_ with `@ExtendWith(...)` and supplying class references for the extensions
  to register.
  
  For example, to register a custom `RandomParametersExtension` for a particular test
  method, you would annotate the test method as follows.
  
  [source,java,indent=0]
  ----
  