anchor.diff:  that new information.
   
   == Reading a stack trace in debug mode
  -Reusing our initial example but activating the `operatorStackTrace` debug
  +Reusing our initial example but activating the `operatorStacktrace` debug
   feature, here is the stack we now get:
   
   [source]
  
positive.code: (or at least before the incriminated flux or mono can be instantiated), like so:
  [source,java]
  ----
  Hooks.onOperator(providedHook -> providedHook.operatorStackTrace());
  ----
  
  The idea is that this will start instrumenting the calls to `Flux` (and
  
negative.code: [source,java]
  ----
  Hooks.onOperator(providedHook -> providedHook.ifName("single") <1>
                                               .operatorStacktrace());
  ----
  <1> Only activate for operator classes named "single", ignoring case and the
  "Parallel", "Flux" or "Mono" prefixes, as well as "Fuseable" suffix (as seen in
  