for (ImmutableList<Class<?>> sig : allSignatures(boolean.class)) {
      Method checkArgumentMethod =
          Preconditions.class.getMethod("checkArgument", sig.toArray(new Class<?>[] {}));
      checkArgumentMethod.invoke(null /* static method */, getParametersForSignature(true, sig));

      Object[] failingParams = getParametersForSignature(false, sig);

    for (ImmutableList<Class<?>> sig : allSignatures(boolean.class)) {
      Method checkArgumentMethod =
          Preconditions.class.getMethod("checkArgument", sig.toArray(new Class<?>[] {}));
      checkArgumentMethod.invoke(null /* static method */, getParametersForSignature(true, sig));

      Object[] failingParams = getParametersForSignature(false, sig);

        out.writeOptionalString(modelName);
        out.writeOptionalString(featureSetName);
        out.writeMap(params);
        out.writeOptionalStringArray(activeFeatures != null ? activeFeatures.toArray(new String[0]) : null);
        out.writeOptionalString(storeName);
    }

    @Override
    protected void doXContent(final XContentBuilder builder, final Params params) throws IOException {

      int i = 0;
      for (Entry<K, V> entry : originalEntries) {
        entries.add(mapEntry(entry.getKey(), valuesArray[i++]));
      }

      return mapGenerator.create(entries.toArray()).values();
    }

    @Override
    public V[] createArray(int length) {
      V[] vs =
          ((TestBiMapGenerator<K, V>) mapGenerator.getInnerGenerator()).createValueArray(length);
      return vs;

    }

    if (elements.isEmpty()) {
      // We avoid allocating anything.
      return of();
    }
    // Collection<E>.toArray() is required to contain only E instances, and all we do is read them.
    // TODO(cpovirk): Consider using Object[] anyway.
    E[] array = (E[]) elements.toArray();
    /*
     * For a Set, we guess that it contains no duplicates. That's just a guess for purpose of

            _conditionAggregation.getAggregationBuilderList().forEach(builder::addAggregation);
        }

        if (_specification != null) {
            builder.setFetchSource(_specification.columnList.toArray(new String[_specification.columnList.size()]), null);
        }

        return builder;
    }

    // ===================================================================================

            _conditionAggregation.getAggregationBuilderList().forEach(builder::addAggregation);
        }

        if (_specification != null) {
            builder.setFetchSource(_specification.columnList.toArray(new String[_specification.columnList.size()]), null);
        }

        return builder;
    }

    // ===================================================================================

            _conditionAggregation.getAggregationBuilderList().forEach(builder::addAggregation);
        }

        if (_specification != null) {
            builder.setFetchSource(_specification.columnList.toArray(new String[_specification.columnList.size()]), null);
        }

        return builder;
    }

    // ===================================================================================

            _conditionAggregation.getAggregationBuilderList().forEach(builder::addAggregation);
        }

        if (_specification != null) {
            builder.setFetchSource(_specification.columnList.toArray(new String[_specification.columnList.size()]), null);
        }

        return builder;
    }

    // ===================================================================================

            _conditionAggregation.getAggregationBuilderList().forEach(builder::addAggregation);
        }

        if (_specification != null) {
            builder.setFetchSource(_specification.columnList.toArray(new String[_specification.columnList.size()]), null);
        }

        return builder;
    }

    // ===================================================================================