code: public <T> EasyRandomParameters randomize(Predicate<Field> predicate, Randomizer<T> randomizer) {
          Objects.requireNonNull(predicate, "Predicate must not be null");
          Objects.requireNonNull(randomizer, "Randomizer must not be null");
          customRandomizerRegistry.registerRandomizer(predicate, randomizer);
          return this;
      }
docs: Register a custom randomizer for the given field predicate.
  <strong>The predicate must at least specify the field type</strong>
  
  @param predicate to identify the field
  @param randomizer to register
  @param <T> The field type
  @return the current {@link EasyRandomParameters} instance for method chaining
  
  @see FieldPredicates