code: @Nonnull
      public BugInstance addCalledMethod(DismantleBytecode visitor) {
          return addMethod(MethodAnnotation.fromCalledMethod(visitor)).describe(MethodAnnotation.METHOD_CALLED);
      }
docs: Add a method annotation for the method which has been called by the
  method currently being visited by given visitor. Assumes that the visitor
  has just looked at an invoke instruction of some kind.
  
  @param visitor
  the DismantleBytecode object
  @return this object