include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one
          of the following places: within a NOTICE text file distributed
          as part of the Derivative Works; within the Source form or
          documentation, if provided along with the Derivative Works; or,

  }

  /**
   * Returns a linear transformation giving the best fit to the data according to <a
   * href="http://mathworld.wolfram.com/LeastSquaresFitting.html">Ordinary Least Squares linear
   * regression</a> of {@code y} as a function of {@code x}. The count must be greater than one, and
   * either the {@code x} or {@code y} data must have a non-zero population variance (i.e. {@code

        }
        return expr;
    }

    @Override
    public File alignToBaseDirectory(File file) {
        // TODO Copied from the DefaultInterpolator. We likely want to resurrect the PathTranslator or at least a
        // similar component for re-usage
        if (file != null) {
            if (file.isAbsolute()) {
                // path was already absolute, just normalize file separator and we're done

          include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one
          of the following places: within a NOTICE text file distributed
          as part of the Derivative Works; within the Source form or
          documentation, if provided along with the Derivative Works; or,

	case ESSSupported:
		target.client = clientV7

	default:
		// ESSUnsupported case
		return fmt.Errorf("Elasticsearch version '%s' is not supported! Please use at least version 7.x.", version)
	}

	target.client.createIndex(target.args)
	return nil
}

func (target *ElasticsearchTarget) init() error {
	return target.initOnce.Do(target.initElasticsearch)
}

    public Builder<K, V> expectedValuesPerKey(int expectedValuesPerKey) {
      checkNonnegative(expectedValuesPerKey, "expectedValuesPerKey");

      // Always presize to at least 1, since we only bother creating a value collection if there's
      // at least one element.
      this.expectedValuesPerKey = max(expectedValuesPerKey, 1);

      return this;
    }

    /**

// It returns an error if multiple KMS configurations are
// present or if one configuration is incomplete.
func IsPresent() (bool, error) {
	// isPresent reports whether at least one of the
	// given env. variables is present.
	isPresent := func(vars ...string) bool {
		for _, v := range vars {
			if _, ok := os.LookupEnv(v); ok {
				return ok
			}
		}
		return false
	}

  }

  /**
   * Requires at least 3 elements in {@code strictlyOrderedElements} in order to test the varargs
   * version of min/max.
   */
  private static <T> void testExhaustively(
      Ordering<? super T> ordering, T... strictlyOrderedElements) {
    checkArgument(
        strictlyOrderedElements.length >= 3,
        "strictlyOrderedElements requires at least 3 elements");

  }

  /**
   * Requires at least 3 elements in {@code strictlyOrderedElements} in order to test the varargs
   * version of min/max.
   */
  private static <T> void testExhaustively(
      Ordering<? super T> ordering, T... strictlyOrderedElements) {
    checkArgument(
        strictlyOrderedElements.length >= 3,
        "strictlyOrderedElements requires at least 3 elements");

          include a readable copy of the attribution notices contained
          within such NOTICE file, excluding those notices that do not
          pertain to any part of the Derivative Works, in at least one
          of the following places: within a NOTICE text file distributed
          as part of the Derivative Works; within the Source form or
          documentation, if provided along with the Derivative Works; or,