text: /**
   * @license Highcharts JS v8.1.2 (2020-06-16)
   *
   * (c) 2014-2019 Highsoft AS
   * Authors: Jon Arild Nygard / Oystein Moseng
   *
   * License: www.highcharts.com/license
   */
  'use strict';
  (function (factory) {
      if (typeof module === 'object' && module.exports) {
          factory['default'] = factory;
          module.exports = factory;
      } else if (typeof define === 'function' && define.amd) {
          define('highcharts/modules/treemap', ['highcharts'], function (Highcharts) {
              factory(Highcharts);
              factory.Highcharts = Highcharts;
              return factory;
          });
      } else {
          factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
      }
  }(function (Highcharts) {
      var _modules = Highcharts ? Highcharts._modules : {};
      function _registerModule(obj, path, args, fn) {
          if (!obj.hasOwnProperty(path)) {
              obj[path] = fn.apply(null, args);
          }
      }
      _registerModule(_modules, 'mixins/tree-series.js', [_modules['parts/Color.js'], _modules['parts/Utilities.js']], function (Color, U) {
          /* *
           *
           *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
           *
           * */
          var extend = U.extend,
              isArray = U.isArray,
              isNumber = U.isNumber,
              isObject = U.isObject,
              merge = U.merge,
              pick = U.pick;
          var isBoolean = function (x) {
                  return typeof x === 'boolean';
          }, isFn = function (x) {
              return typeof x === 'function';
          };
          /* eslint-disable valid-jsdoc */
          /**
           * @todo Combine buildTree and buildNode with setTreeValues
           * @todo Remove logic from Treemap and make it utilize this mixin.
           * @private
           */
          var setTreeValues = function setTreeValues(tree,
              options) {
                  var before = options.before,
              idRoot = options.idRoot,
              mapIdToNode = options.mapIdToNode,
              nodeRoot = mapIdToNode[idRoot],
              levelIsConstant = (isBoolean(options.levelIsConstant) ?
                      options.levelIsConstant :
                      true),
              points = options.points,
              point = points[tree.i],
              optionsPoint = point && point.options || {},
              childrenTotal = 0,
              children = [],
              value;
              extend(tree, {
                  levelDynamic: tree.level - (levelIsConstant ? 0 : nodeRoot.level),
                  name: pick(point && point.name, ''),
                  visible: (idRoot === tree.id ||
                      (isBoolean(options.visible) ? options.visible : false))
              });
              if (isFn(before)) {
                  tree = before(tree, options);
              }
              // First give the children some values
              tree.children.forEach(function (child, i) {
                  var newOptions = extend({},
                      options);
                  extend(newOptions, {
                      index: i,
                      siblings: tree.children.length,
                      visible: tree.visible
                  });
                  child = setTreeValues(child, newOptions);
                  children.push(child);
                  if (child.visible) {
                      childrenTotal += child.val;
                  }
              });
              tree.visible = childrenTotal > 0 || tree.visible;
              // Set the values
              value = pick(optionsPoint.value, childrenTotal);
              extend(tree, {
                  children: children,
                  childrenTotal: childrenTotal,
                  isLeaf: tree.visible && !childrenTotal,
                  val: value
              });
              return tree;
          };
          /**
           * @private
           */
          var getColor = function getColor(node,
              options) {
                  var index = options.index,
              mapOptionsToLevel = options.mapOptionsToLevel,
              parentColor = options.parentColor,
              parentColorIndex = options.parentColorIndex,
              series = options.series,
              colors = options.colors,
              siblings = options.siblings,
              points = series.points,
              getColorByPoint,
              chartOptionsChart = series.chart.options.chart,
              point,
              level,
              colorByPoint,
              colorIndexByPoint,
              color,
              colorIndex;
              /**
               * @private
               */
              function variation(color) {
                  var colorVariation = level && level.colorVariation;
                  if (colorVariation) {
                      if (colorVariation.key === 'brightness') {
                          return Color.parse(color).brighten(colorVariation.to * (index / siblings)).get();
                      }
                  }
                  return color;
              }
              if (node) {
                  point = points[node.i];
                  level = mapOptionsToLevel[node.level] || {};
                  getColorByPoint = point && level.colorByPoint;
                  if (getColorByPoint) {
                      colorIndexByPoint = point.index % (colors ?
                          colors.length :
                          chartOptionsChart.colorCount);
                      colorByPoint = colors && colors[colorIndexByPoint];
                  }
                  // Select either point color, level color or inherited color.
                  if (!series.chart.styledMode) {
                      color = pick(point && point.options.color, level && level.color, colorByPoint, parentColor && variation(parentColor), series.color);
                  }
                  colorIndex = pick(point && point.options.colorIndex, level && level.colorIndex, colorIndexByPoint, parentColorIndex, options.colorIndex);
              }
              return {
                  color: color,
                  colorIndex: colorIndex
              };
          };
          /**
           * Creates a map from level number to its given options.
           *
           * @private
           * @function getLevelOptions
           * @param {object} params
           *        Object containing parameters.
           *        - `defaults` Object containing default options. The default options
           *           are merged with the userOptions to get the final options for a
           *           specific level.
           *        - `from` The lowest level number.
           *        - `levels` User options from series.levels.
           *        - `to` The highest level number.
           * @return {Highcharts.Dictionary<object>|null}
           *         Returns a map from level number to its given options.
           */
          var getLevelOptions = function getLevelOptions(params) {
                  var result = null,
              defaults,
              converted,
              i,
              from,
              to,
              levels;
              if (isObject(params)) {
                  result = {};
                  from = isNumber(params.from) ? params.from : 1;
                  levels = params.levels;
                  converted = {};
                  defaults = isObject(params.defaults) ? params.defaults : {};
                  if (isArray(levels)) {
                      converted = levels.reduce(function (obj, item) {
                          var level,
                              levelIsConstant,
                              options;
                          if (isObject(item) && isNumber(item.level)) {
                              options = merge({}, item);
                              levelIsConstant = (isBoolean(options.levelIsConstant) ?
                                  options.levelIsConstant :
                                  defaults.levelIsConstant);
                              // Delete redundant properties.
                              delete options.levelIsConstant;
                              delete options.level;
                              // Calculate which level these options apply to.
                              level = item.level + (levelIsConstant ? 0 : from - 1);
                              if (isObject(obj[level])) {
                                  extend(obj[level], options);
                              }
                              else {
                                  obj[level] = options;
                              }
                          }
                          return obj;
                      }, {});
                  }
                  to = isNumber(params.to) ? params.to : 1;
                  for (i = 0; i <= to; i++) {
                      result[i] = merge({}, defaults, isObject(converted[i]) ? converted[i] : {});
                  }
              }
              return result;
          };
          /**
           * Update the rootId property on the series. Also makes sure that it is
           * accessible to exporting.
           *
           * @private
           * @function updateRootId
           *
           * @param {object} series
           *        The series to operate on.
           *
           * @return {string}
           *         Returns the resulting rootId after update.
           */
          var updateRootId = function (series) {
                  var rootId,
              options;
              if (isObject(series)) {
                  // Get the series options.
                  options = isObject(series.options) ? series.options : {};
                  // Calculate the rootId.
                  rootId = pick(series.rootNode, options.rootId, '');
                  // Set rootId on series.userOptions to pick it up in exporting.
                  if (isObject(series.userOptions)) {
                      series.userOptions.rootId = rootId;
                  }
                  // Set rootId on series to pick it up on next update.
                  series.rootNode = rootId;
              }
              return rootId;
          };
          var result = {
                  getColor: getColor,
                  getLevelOptions: getLevelOptions,
                  setTreeValues: setTreeValues,
                  updateRootId: updateRootId
              };
  
          return result;
      });
      _registerModule(_modules, 'mixins/draw-point.js', [], function () {
          /* *
           *
           *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
           *
           * */
          var isFn = function (x) {
                  return typeof x === 'function';
          };
          /* eslint-disable no-invalid-this, valid-jsdoc */
          /**
           * Handles the drawing of a component.
           * Can be used for any type of component that reserves the graphic property, and
           * provides a shouldDraw on its context.
           *
           * @private
           * @function draw
           * @param {DrawPointParams} params
           *        Parameters.
           *
           * @todo add type checking.
           * @todo export this function to enable usage
           */
          var draw = function draw(params) {
                  var _a;
              var component = this,
                  graphic = component.graphic,
                  animatableAttribs = params.animatableAttribs,
                  onComplete = params.onComplete,
                  css = params.css,
                  renderer = params.renderer,
                  animation = (_a = component.series) === null || _a === void 0 ? void 0 : _a.options.animation;
              if (component.shouldDraw()) {
                  if (!graphic) {
                      component.graphic = graphic =
                          renderer[params.shapeType](params.shapeArgs)
                              .add(params.group);
                  }
                  graphic
                      .css(css)
                      .attr(params.attribs)
                      .animate(animatableAttribs, params.isNew ? false : animation, onComplete);
              }
              else if (graphic) {
                  var destroy = function () {
                          component.graphic = graphic = graphic.destroy();
                      if (isFn(onComplete)) {
                          onComplete();
                      }
                  };
                  // animate only runs complete callback if something was animated.
                  if (Object.keys(animatableAttribs).length) {
                      graphic.animate(animatableAttribs, void 0, function () {
                          destroy();
                      });
                  }
                  else {
                      destroy();
                  }
              }
          };
          /**
           * An extended version of draw customized for points.
           * It calls additional methods that is expected when rendering a point.
           * @private
           * @param {Highcharts.Dictionary<any>} params Parameters
           */
          var drawPoint = function drawPoint(params) {
                  var point = this,
              attribs = params.attribs = params.attribs || {};
              // Assigning class in dot notation does go well in IE8
              // eslint-disable-next-line dot-notation
              attribs['class'] = point.getClassName();
              // Call draw to render component
              draw.call(point, params);
          };
  
          return drawPoint;
      });
      _registerModule(_modules, 'modules/treemap.src.js', [_modules['parts/Globals.js'], _modules['mixins/tree-series.js'], _modules['mixins/draw-point.js'], _modules['parts/Color.js'], _modules['mixins/legend-symbol.js'], _modules['parts/Point.js'], _modules['parts/Utilities.js']], function (H, mixinTreeSeries, drawPoint, Color, LegendSymbolMixin, Point, U) {
          /* *
           *
           *  (c) 2014-2020 Highsoft AS
           *
           *  Authors: Jon Arild Nygard / Oystein Moseng
           *
           *  License: www.highcharts.com/license
           *
           *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
           *
           * */
          var color = Color.parse;
          var addEvent = U.addEvent,
              correctFloat = U.correctFloat,
              defined = U.defined,
              error = U.error,
              extend = U.extend,
              fireEvent = U.fireEvent,
              isArray = U.isArray,
              isNumber = U.isNumber,
              isObject = U.isObject,
              isString = U.isString,
              merge = U.merge,
              objectEach = U.objectEach,
              pick = U.pick,
              seriesType = U.seriesType,
              stableSort = U.stableSort;
          /* eslint-disable no-invalid-this */
          var AXIS_MAX = 100;
          var seriesTypes = H.seriesTypes,
              noop = H.noop,
              getColor = mixinTreeSeries.getColor,
              getLevelOptions = mixinTreeSeries.getLevelOptions, 
              // @todo Similar to eachObject, this function is likely redundant
              isBoolean = function (x) {
                  return typeof x === 'boolean';
          }, Series = H.Series, 
          // @todo Similar to recursive, this function is likely redundant
          eachObject = function (list, func, context) {
              context = context || this;
              objectEach(list, function (val, key) {
                  func.call(context, val, key, list);
              });
          }, 
          // @todo find correct name for this function.
          // @todo Similar to reduce, this function is likely redundant
          recursive = function (item, func, context) {
              var next;
              context = context || this;
              next = func.call(context, item);
              if (next !== false) {
                  recursive(next, func, context);
              }
          }, updateRootId = mixinTreeSeries.updateRootId, treemapAxisDefaultValues = false;
          /* eslint-enable no-invalid-this */
          /**
           * @private
           * @class
           * @name Highcharts.seriesTypes.treemap
           *
           * @augments Highcharts.Series
           */
          seriesType('treemap', 'scatter'
          /**
           * A treemap displays hierarchical data using nested rectangles. The data
           * can be laid out in varying ways depending on options.
           *
           * @sample highcharts/demo/treemap-large-dataset/
           *         Treemap
           *
           * @extends      plotOptions.scatter
           * @excluding    dragDrop, marker, jitter, dataSorting
           * @product      highcharts
           * @requires     modules/treemap
           * @optionparent plotOptions.treemap
           */
          , {
              /**
               * When enabled the user can click on a point which is a parent and
               * zoom in on its children. Deprecated and replaced by
               * [allowTraversingTree](#plotOptions.treemap.allowTraversingTree).
               *
               * @sample {highcharts} highcharts/plotoptions/treemap-allowdrilltonode/
               *         Enabled
               *
               * @deprecated
               * @type      {boolean}
               * @default   false
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.allowDrillToNode
               */
              /**
               * When enabled the user can click on a point which is a parent and
               * zoom in on its children.
               *
               * @sample {highcharts} highcharts/plotoptions/treemap-allowtraversingtree/
               *         Enabled
               *
               * @since     7.0.3
               * @product   highcharts
               */
              allowTraversingTree: false,
              animationLimit: 250,
              /**
               * When the series contains less points than the crop threshold, all
               * points are drawn, event if the points fall outside the visible plot
               * area at the current zoom. The advantage of drawing all points
               * (including markers and columns), is that animation is performed on
               * updates. On the other hand, when the series contains more points than
               * the crop threshold, the series data is cropped to only contain points
               * that fall within the plot area. The advantage of cropping away
               * invisible points is to increase performance on large series.
               *
               * @type      {number}
               * @default   300
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.cropThreshold
               */
              /**
               * Fires on a request for change of root node for the tree, before the
               * update is made. An event object is passed to the function, containing
               * additional properties `newRootId`, `previousRootId`, `redraw` and
               * `trigger`.
               *
               * @type {function}
               * @default undefined
               * @sample {highcharts} highcharts/plotoptions/treemap-events-setrootnode/
               *         Alert update information on setRootNode event.
               * @since 7.0.3
               * @product highcharts
               * @apioption plotOptions.treemap.events.setRootNode
               */
              /**
               * This option decides if the user can interact with the parent nodes
               * or just the leaf nodes. When this option is undefined, it will be
               * true by default. However when allowTraversingTree is true, then it
               * will be false by default.
               *
               * @sample {highcharts} highcharts/plotoptions/treemap-interactbyleaf-false/
               *         False
               * @sample {highcharts} highcharts/plotoptions/treemap-interactbyleaf-true-and-allowtraversingtree/
               *         InteractByLeaf and allowTraversingTree is true
               *
               * @type      {boolean}
               * @since     4.1.2
               * @product   highcharts
               * @apioption plotOptions.treemap.interactByLeaf
               */
              /**
               * The sort index of the point inside the treemap level.
               *
               * @sample {highcharts} highcharts/plotoptions/treemap-sortindex/
               *         Sort by years
               *
               * @type      {number}
               * @since     4.1.10
               * @product   highcharts
               * @apioption plotOptions.treemap.sortIndex
               */
              /**
               * A series specific or series type specific color set to apply instead
               * of the global [colors](#colors) when
               * [colorByPoint](#plotOptions.treemap.colorByPoint) is true.
               *
               * @type      {Array<Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject>}
               * @since     3.0
               * @product   highcharts
               * @apioption plotOptions.treemap.colors
               */
              /**
               * Whether to display this series type or specific series item in the
               * legend.
               */
              showInLegend: false,
              /**
               * @ignore-option
               */
              marker: false,
              /**
               * When using automatic point colors pulled from the `options.colors`
               * collection, this option determines whether the chart should receive
               * one color per series or one color per point.
               *
               * @see [series colors](#plotOptions.treemap.colors)
               *
               * @since     2.0
               * @product   highcharts
               * @apioption plotOptions.treemap.colorByPoint
               */
              colorByPoint: false,
              /**
               * @since 4.1.0
               */
              dataLabels: {
                  defer: false,
                  enabled: true,
                  formatter: function () {
                      var point = this && this.point ?
                              this.point :
                              {},
                          name = isString(point.name) ? point.name : '';
                      return name;
                  },
                  inside: true,
                  verticalAlign: 'middle'
              },
              tooltip: {
                  headerFormat: '',
                  pointFormat: '<b>{point.name}</b>: {point.value}<br/>'
              },
              /**
               * Whether to ignore hidden points when the layout algorithm runs.
               * If `false`, hidden points will leave open spaces.
               *
               * @since 5.0.8
               */
              ignoreHiddenPoint: true,
              /**
               * This option decides which algorithm is used for setting position
               * and dimensions of the points.
               *
               * @see [How to write your own algorithm](https://www.highcharts.com/docs/chart-and-series-types/treemap)
               *
               * @sample {highcharts} highcharts/plotoptions/treemap-layoutalgorithm-sliceanddice/
               *         SliceAndDice by default
               * @sample {highcharts} highcharts/plotoptions/treemap-layoutalgorithm-stripes/
               *         Stripes
               * @sample {highcharts} highcharts/plotoptions/treemap-layoutalgorithm-squarified/
               *         Squarified
               * @sample {highcharts} highcharts/plotoptions/treemap-layoutalgorithm-strip/
               *         Strip
               *
               * @since      4.1.0
               * @validvalue ["sliceAndDice", "stripes", "squarified", "strip"]
               */
              layoutAlgorithm: 'sliceAndDice',
              /**
               * Defines which direction the layout algorithm will start drawing.
               *
               * @since       4.1.0
               * @validvalue ["vertical", "horizontal"]
               */
              layoutStartingDirection: 'vertical',
              /**
               * Enabling this option will make the treemap alternate the drawing
               * direction between vertical and horizontal. The next levels starting
               * direction will always be the opposite of the previous.
               *
               * @sample {highcharts} highcharts/plotoptions/treemap-alternatestartingdirection-true/
               *         Enabled
               *
               * @since 4.1.0
               */
              alternateStartingDirection: false,
              /**
               * Used together with the levels and allowTraversingTree options. When
               * set to false the first level visible to be level one, which is
               * dynamic when traversing the tree. Otherwise the level will be the
               * same as the tree structure.
               *
               * @since 4.1.0
               */
              levelIsConstant: true,
              /**
               * Options for the button appearing when drilling down in a treemap.
               * Deprecated and replaced by
               * [traverseUpButton](#plotOptions.treemap.traverseUpButton).
               *
               * @deprecated
               */
              drillUpButton: {
                  /**
                   * The position of the button.
                   *
                   * @deprecated
                   */
                  position: {
                      /**
                       * Vertical alignment of the button.
                       *
                       * @deprecated
                       * @type      {Highcharts.VerticalAlignValue}
                       * @default   top
                       * @product   highcharts
                       * @apioption plotOptions.treemap.drillUpButton.position.verticalAlign
                       */
                      /**
                       * Horizontal alignment of the button.
                       *
                       * @deprecated
                       * @type {Highcharts.AlignValue}
                       */
                      align: 'right',
                      /**
                       * Horizontal offset of the button.
                       *
                       * @deprecated
                       */
                      x: -10,
                      /**
                       * Vertical offset of the button.
                       *
                       * @deprecated
                       */
                      y: 10
                  }
              },
              /**
               * Options for the button appearing when traversing down in a treemap.
               */
              traverseUpButton: {
                  /**
                   * The position of the button.
                   */
                  position: {
                      /**
                       * Vertical alignment of the button.
                       *
                       * @type      {Highcharts.VerticalAlignValue}
                       * @default   top
                       * @product   highcharts
                       * @apioption plotOptions.treemap.traverseUpButton.position.verticalAlign
                       */
                      /**
                       * Horizontal alignment of the button.
                       *
                       * @type {Highcharts.AlignValue}
                       */
                      align: 'right',
                      /**
                       * Horizontal offset of the button.
                       */
                      x: -10,
                      /**
                       * Vertical offset of the button.
                       */
                      y: 10
                  }
              },
              /**
               * Set options on specific levels. Takes precedence over series options,
               * but not point options.
               *
               * @sample {highcharts} highcharts/plotoptions/treemap-levels/
               *         Styling dataLabels and borders
               * @sample {highcharts} highcharts/demo/treemap-with-levels/
               *         Different layoutAlgorithm
               *
               * @type      {Array<*>}
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels
               */
              /**
               * Can set a `borderColor` on all points which lies on the same level.
               *
               * @type      {Highcharts.ColorString}
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels.borderColor
               */
              /**
               * Set the dash style of the border of all the point which lies on the
               * level. See
               * [plotOptions.scatter.dashStyle](#plotoptions.scatter.dashstyle)
               * for possible options.
               *
               * @type      {Highcharts.DashStyleValue}
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels.borderDashStyle
               */
              /**
               * Can set the borderWidth on all points which lies on the same level.
               *
               * @type      {number}
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels.borderWidth
               */
              /**
               * Can set a color on all points which lies on the same level.
               *
               * @type      {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels.color
               */
              /**
               * A configuration object to define how the color of a child varies from
               * the parent's color. The variation is distributed among the children
               * of node. For example when setting brightness, the brightness change
               * will range from the parent's original brightness on the first child,
               * to the amount set in the `to` setting on the last node. This allows a
               * gradient-like color scheme that sets children out from each other
               * while highlighting the grouping on treemaps and sectors on sunburst
               * charts.
               *
               * @sample highcharts/demo/sunburst/
               *         Sunburst with color variation
               *
               * @since     6.0.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels.colorVariation
               */
              /**
               * The key of a color variation. Currently supports `brightness` only.
               *
               * @type       {string}
               * @since      6.0.0
               * @product    highcharts
               * @validvalue ["brightness"]
               * @apioption  plotOptions.treemap.levels.colorVariation.key
               */
              /**
               * The ending value of a color variation. The last sibling will receive
               * this value.
               *
               * @type      {number}
               * @since     6.0.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels.colorVariation.to
               */
              /**
               * Can set the options of dataLabels on each point which lies on the
               * level.
               * [plotOptions.treemap.dataLabels](#plotOptions.treemap.dataLabels) for
               * possible values.
               *
               * @extends   plotOptions.treemap.dataLabels
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels.dataLabels
               */
              /**
               * Can set the layoutAlgorithm option on a specific level.
               *
               * @type       {string}
               * @since      4.1.0
               * @product    highcharts
               * @validvalue ["sliceAndDice", "stripes", "squarified", "strip"]
               * @apioption  plotOptions.treemap.levels.layoutAlgorithm
               */
              /**
               * Can set the layoutStartingDirection option on a specific level.
               *
               * @type       {string}
               * @since      4.1.0
               * @product    highcharts
               * @validvalue ["vertical", "horizontal"]
               * @apioption  plotOptions.treemap.levels.layoutStartingDirection
               */
              /**
               * Decides which level takes effect from the options set in the levels
               * object.
               *
               * @sample {highcharts} highcharts/plotoptions/treemap-levels/
               *         Styling of both levels
               *
               * @type      {number}
               * @since     4.1.0
               * @product   highcharts
               * @apioption plotOptions.treemap.levels.level
               */
              // Presentational options
              /**
               * The color of the border surrounding each tree map item.
               *
               * @type {Highcharts.ColorString}
               */
              borderColor: '#e6e6e6',
              /**
               * The width of the border surrounding each tree map item.
               */
              borderWidth: 1,
              colorKey: 'colorValue',
              /**
               * The opacity of a point in treemap. When a point has children, the
               * visibility of the children is determined by the opacity.
               *
               * @since 4.2.4
               */
              opacity: 0.15,
              /**
               * A wrapper object for all the series options in specific states.
               *
               * @extends plotOptions.heatmap.states
               */
              states: {
                  /**
                   * Options for the hovered series
                   *
                   * @extends   plotOptions.heatmap.states.hover
                   * @excluding halo
                   */
                  hover: {
                      /**
                       * The border color for the hovered state.
                       */
                      borderColor: '#999999',
                      /**
                       * Brightness for the hovered point. Defaults to 0 if the
                       * heatmap series is loaded first, otherwise 0.1.
                       *
                       * @type    {number}
                       * @default undefined
                       */
                      brightness: seriesTypes.heatmap ? 0 : 0.1,
                      /**
                       * @extends plotOptions.heatmap.states.hover.halo
                       */
                      halo: false,
                      /**
                       * The opacity of a point in treemap. When a point has children,
                       * the visibility of the children is determined by the opacity.
                       *
                       * @since 4.2.4
                       */
                      opacity: 0.75,
                      /**
                       * The shadow option for hovered state.
                       */
                      shadow: false
                  }
              }
              // Prototype members
          }, {
              pointArrayMap: ['value'],
              directTouch: true,
              optionalAxis: 'colorAxis',
              getSymbol: noop,
              parallelArrays: ['x', 'y', 'value', 'colorValue'],
              colorKey: 'colorValue',
              trackerGroups: ['group', 'dataLabelsGroup'],
              /* eslint-disable no-invalid-this, valid-jsdoc */
              /**
               * Creates an object map from parent id to childrens index.
               *
               * @private
               * @function Highcharts.Series#getListOfParents
               *
               * @param {Highcharts.SeriesTreemapDataOptions} [data]
               *        List of points set in options.
               *
               * @param {Array<string>} [existingIds]
               *        List of all point ids.
               *
               * @return {object}
               *         Map from parent id to children index in data.
               */
              getListOfParents: function (data, existingIds) {
                  var arr = isArray(data) ? data : [],
                      ids = isArray(existingIds) ? existingIds : [],
                      listOfParents = arr.reduce(function (prev,
                      curr,
                      i) {
                          var parent = pick(curr.parent, '');
                      if (typeof prev[parent] === 'undefined') {
                          prev[parent] = [];
                      }
                      prev[parent].push(i);
                      return prev;
                  }, {
                      '': [] // Root of tree
                  });
                  // If parent does not exist, hoist parent to root of tree.
                  eachObject(listOfParents, function (children, parent, list) {
                      if ((parent !== '') && (ids.indexOf(parent) === -1)) {
                          children.forEach(function (child) {
                              list[''].push(child);
                          });
                          delete list[parent];
                      }
                  });
                  return listOfParents;
              },
              // Creates a tree structured object from the series points
              getTree: function () {
                  var series = this,
                      allIds = this.data.map(function (d) {
                          return d.id;
                  }), parentList = series.getListOfParents(this.data, allIds);
                  series.nodeMap = [];
                  return series.buildNode('', -1, 0, parentList, null);
              },
              // Define hasData function for non-cartesian series.
              // Returns true if the series has points at all.
              hasData: function () {
                  return !!this.processedXData.length; // != 0
              },
              init: function (chart, options) {
                  var series = this,
                      colorMapSeriesMixin = H.colorMapSeriesMixin;
                  // If color series logic is loaded, add some properties
                  if (colorMapSeriesMixin) {
                      this.colorAttribs = colorMapSeriesMixin.colorAttribs;
                  }
                  // Handle deprecated options.
                  series.eventsToUnbind.push(addEvent(series, 'setOptions', function (event) {
                      var options = event.userOptions;
                      if (defined(options.allowDrillToNode) &&
                          !defined(options.allowTraversingTree)) {
                          options.allowTraversingTree = options.allowDrillToNode;
                          delete options.allowDrillToNode;
                      }
                      if (defined(options.drillUpButton) &&
                          !defined(options.traverseUpButton)) {
                          options.traverseUpButton = options.drillUpButton;
                          delete options.drillUpButton;
                      }
                  }));
                  Series.prototype.init.call(series, chart, options);
                  // Treemap's opacity is a different option from other series
                  delete series.opacity;
                  if (series.options.allowTraversingTree) {
                      series.eventsToUnbind.push(addEvent(series, 'click', series.onClickDrillToNode));
                  }
              },
              buildNode: function (id, i, level, list, parent) {
                  var series = this,
                      children = [],
                      point = series.points[i],
                      height = 0,
                      node,
                      child;
                  // Actions
                  ((list[id] || [])).forEach(function (i) {
                      child = series.buildNode(series.points[i].id, i, (level + 1), list, id);
                      height = Math.max(child.height + 1, height);
                      children.push(child);
                  });
                  node = {
                      id: id,
                      i: i,
                      children: children,
                      height: height,
                      level: level,
                      parent: parent,
                      visible: false // @todo move this to better location
                  };
                  series.nodeMap[node.id] = node;
                  if (point) {
                      point.node = node;
                  }
                  return node;
              },
              setTreeValues: function (tree) {
                  var series = this,
                      options = series.options,
                      idRoot = series.rootNode,
                      mapIdToNode = series.nodeMap,
                      nodeRoot = mapIdToNode[idRoot],
                      levelIsConstant = (isBoolean(options.levelIsConstant) ?
                          options.levelIsConstant :
                          true),
                      childrenTotal = 0,
                      children = [],
                      val,
                      point = series.points[tree.i];
                  // First give the children some values
                  tree.children.forEach(function (child) {
                      child = series.setTreeValues(child);
                      children.push(child);
                      if (!child.ignore) {
                          childrenTotal += child.val;
                      }
                  });
                  // Sort the children
                  stableSort(children, function (a, b) {
                      return a.sortIndex - b.sortIndex;
                  });
                  // Set the values
                  val = pick(point && point.options.value, childrenTotal);
                  if (point) {
                      point.value = val;
                  }
                  extend(tree, {
                      children: children,
                      childrenTotal: childrenTotal,
                      // Ignore this node if point is not visible
                      ignore: !(pick(point && point.visible, true) && (val > 0)),
                      isLeaf: tree.visible && !childrenTotal,
                      levelDynamic: (tree.level - (levelIsConstant ? 0 : nodeRoot.level)),
                      name: pick(point && point.name, ''),
                      sortIndex: pick(point && point.sortIndex, -val),
                      val: val
                  });
                  return tree;
              },
              /**
               * Recursive function which calculates the area for all children of a
               * node.
               *
               * @private
               * @function Highcharts.Series#calculateChildrenAreas
               *
               * @param {object} node
               *        The node which is parent to the children.
               *
               * @param {object} area
               *        The rectangular area of the parent.
               */
              calculateChildrenAreas: function (parent, area) {
                  var series = this,
                      options = series.options,
                      mapOptionsToLevel = series.mapOptionsToLevel,
                      level = mapOptionsToLevel[parent.level + 1],
                      algorithm = pick((series[(level && level.layoutAlgorithm)] &&
                          level.layoutAlgorithm),
                      options.layoutAlgorithm),
                      alternate = options.alternateStartingDirection,
                      childrenValues = [],
                      children;
                  // Collect all children which should be included
                  children = parent.children.filter(function (n) {
                      return !n.ignore;
                  });
                  if (level && level.layoutStartingDirection) {
                      area.direction = level.layoutStartingDirection === 'vertical' ?
                          0 :
                          1;
                  }
                  childrenValues = series[algorithm](area, children);
                  children.forEach(function (child, index) {
                      var values = childrenValues[index];
                      child.values = merge(values, {
                          val: child.childrenTotal,
                          direction: (alternate ? 1 - area.direction : area.direction)
                      });
                      child.pointValues = merge(values, {
                          x: (values.x / series.axisRatio),
                          // Flip y-values to avoid visual regression with csvCoord in
                          // Axis.translate at setPointValues. #12488
                          y: AXIS_MAX - values.y - values.height,
                          width: (values.width / series.axisRatio)
                      });
                      // If node has children, then call method recursively
                      if (child.children.length) {
                          series.calculateChildrenAreas(child, child.values);
                      }
                  });
              },
              setPointValues: function () {
                  var series = this;
                  var points = series.points,
                      xAxis = series.xAxis,
                      yAxis = series.yAxis;
                  var styledMode = series.chart.styledMode;
                  // Get the crisp correction in classic mode. For this to work in
                  // styled mode, we would need to first add the shape (without x,
                  // y, width and height), then read the rendered stroke width
                  // using point.graphic.strokeWidth(), then modify and apply the
                  // shapeArgs. This applies also to column series, but the
                  // downside is performance and code complexity.
                  var getCrispCorrection = function (point) { return (styledMode ?
                          0 :
                          ((series.pointAttribs(point)['stroke-width'] || 0) % 2) / 2); };
                  points.forEach(function (point) {
                      var _a = point.node,
                          values = _a.pointValues,
                          visible = _a.visible;
                      // Points which is ignored, have no values.
                      if (values && visible) {
                          var height = values.height,
                              width = values.width,
                              x = values.x,
                              y = values.y;
                          var crispCorr = getCrispCorrection(point);
                          var x1 = Math.round(xAxis.toPixels(x,
                              true)) - crispCorr;
                          var x2 = Math.round(xAxis.toPixels(x + width,
                              true)) - crispCorr;
                          var y1 = Math.round(yAxis.toPixels(y,
                              true)) - crispCorr;
                          var y2 = Math.round(yAxis.toPixels(y + height,
                              true)) - crispCorr;
                          // Set point values
                          point.shapeArgs = {
                              x: Math.min(x1, x2),
                              y: Math.min(y1, y2),
                              width: Math.abs(x2 - x1),
                              height: Math.abs(y2 - y1)
                          };
                          point.plotX =
                              point.shapeArgs.x + (point.shapeArgs.width / 2);
                          point.plotY =
                              point.shapeArgs.y + (point.shapeArgs.height / 2);
                      }
                      else {
                          // Reset visibility
                          delete point.plotX;
                          delete point.plotY;
                      }
                  });
              },
              // Set the node's color recursively, from the parent down.
              setColorRecursive: function (node, parentColor, colorIndex, index, siblings) {
                  var series = this,
                      chart = series && series.chart,
                      colors = chart && chart.options && chart.options.colors,
                      colorInfo,
                      point;
                  if (node) {
                      colorInfo = getColor(node, {
                          colors: colors,
                          index: index,
                          mapOptionsToLevel: series.mapOptionsToLevel,
                          parentColor: parentColor,
                          parentColorIndex: colorIndex,
                          series: series,
                          siblings: siblings
                      });
                      point = series.points[node.i];
                      if (point) {
                          point.color = colorInfo.color;
                          point.colorIndex = colorInfo.colorIndex;
                      }
                      // Do it all again with the children
                      (node.children || []).forEach(function (child, i) {
                          series.setColorRecursive(child, colorInfo.color, colorInfo.colorIndex, i, node.children.length);
                      });
                  }
              },
              algorithmGroup: function (h, w, d, p) {
                  this.height = h;
                  this.width = w;
                  this.plot = p;
                  this.direction = d;
                  this.startDirection = d;
                  this.total = 0;
                  this.nW = 0;
                  this.lW = 0;
                  this.nH = 0;
                  this.lH = 0;
                  this.elArr = [];
                  this.lP = {
                      total: 0,
                      lH: 0,
                      nH: 0,
                      lW: 0,
                      nW: 0,
                      nR: 0,
                      lR: 0,
                      aspectRatio: function (w, h) {
                          return Math.max((w / h), (h / w));
                      }
                  };
                  this.addElement = function (el) {
                      this.lP.total = this.elArr[this.elArr.length - 1];
                      this.total = this.total + el;
                      if (this.direction === 0) {
                          // Calculate last point old aspect ratio
                          this.lW = this.nW;
                          this.lP.lH = this.lP.total / this.lW;
                          this.lP.lR = this.lP.aspectRatio(this.lW, this.lP.lH);
                          // Calculate last point new aspect ratio
                          this.nW = this.total / this.height;
                          this.lP.nH = this.lP.total / this.nW;
                          this.lP.nR = this.lP.aspectRatio(this.nW, this.lP.nH);
                      }
                      else {
                          // Calculate last point old aspect ratio
                          this.lH = this.nH;
                          this.lP.lW = this.lP.total / this.lH;
                          this.lP.lR = this.lP.aspectRatio(this.lP.lW, this.lH);
                          // Calculate last point new aspect ratio
                          this.nH = this.total / this.width;
                          this.lP.nW = this.lP.total / this.nH;
                          this.lP.nR = this.lP.aspectRatio(this.lP.nW, this.nH);
                      }
                      this.elArr.push(el);
                  };
                  this.reset = function () {
                      this.nW = 0;
                      this.lW = 0;
                      this.elArr = [];
                      this.total = 0;
                  };
              },
              algorithmCalcPoints: function (directionChange, last, group, childrenArea) {
                  var pX,
                      pY,
                      pW,
                      pH,
                      gW = group.lW,
                      gH = group.lH,
                      plot = group.plot,
                      keep,
                      i = 0,
                      end = group.elArr.length - 1;
                  if (last) {
                      gW = group.nW;
                      gH = group.nH;
                  }
                  else {
                      keep = group.elArr[group.elArr.length - 1];
                  }
                  group.elArr.forEach(function (p) {
                      if (last || (i < end)) {
                          if (group.direction === 0) {
                              pX = plot.x;
                              pY = plot.y;
                              pW = gW;
                              pH = p / pW;
                          }
                          else {
                              pX = plot.x;
                              pY = plot.y;
                              pH = gH;
                              pW = p / pH;
                          }
                          childrenArea.push({
                              x: pX,
                              y: pY,
                              width: pW,
                              height: correctFloat(pH)
                          });
                          if (group.direction === 0) {
                              plot.y = plot.y + pH;
                          }
                          else {
                              plot.x = plot.x + pW;
                          }
                      }
                      i = i + 1;
                  });
                  // Reset variables
                  group.reset();
                  if (group.direction === 0) {
                      group.width = group.width - gW;
                  }
                  else {
                      group.height = group.height - gH;
                  }
                  plot.y = plot.parent.y + (plot.parent.height - group.height);
                  plot.x = plot.parent.x + (plot.parent.width - group.width);
                  if (directionChange) {
                      group.direction = 1 - group.direction;
                  }
                  // If not last, then add uncalculated element
                  if (!last) {
                      group.addElement(keep);
                  }
              },
              algorithmLowAspectRatio: function (directionChange, parent, children) {
                  var childrenArea = [],
                      series = this,
                      pTot,
                      plot = {
                          x: parent.x,
                          y: parent.y,
                          parent: parent
                      },
                      direction = parent.direction,
                      i = 0,
                      end = children.length - 1,
                      group = new this.algorithmGroup(// eslint-disable-line new-cap
                      parent.height,
                      parent.width,
                      direction,
                      plot);
                  // Loop through and calculate all areas
                  children.forEach(function (child) {
                      pTot =
                          (parent.width * parent.height) * (child.val / parent.val);
                      group.addElement(pTot);
                      if (group.lP.nR > group.lP.lR) {
                          series.algorithmCalcPoints(directionChange, false, group, childrenArea, plot // @todo no supported
                          );
                      }
                      // If last child, then calculate all remaining areas
                      if (i === end) {
                          series.algorithmCalcPoints(directionChange, true, group, childrenArea, plot // @todo not supported
                          );
                      }
                      i = i + 1;
                  });
                  return childrenArea;
              },
              algorithmFill: function (directionChange, parent, children) {
                  var childrenArea = [],
                      pTot,
                      direction = parent.direction,
                      x = parent.x,
                      y = parent.y,
                      width = parent.width,
                      height = parent.height,
                      pX,
                      pY,
                      pW,
                      pH;
                  children.forEach(function (child) {
                      pTot =
                          (parent.width * parent.height) * (child.val / parent.val);
                      pX = x;
                      pY = y;
                      if (direction === 0) {
                          pH = height;
                          pW = pTot / pH;
                          width = width - pW;
                          x = x + pW;
                      }
                      else {
                          pW = width;
                          pH = pTot / pW;
                          height = height - pH;
                          y = y + pH;
                      }
                      childrenArea.push({
                          x: pX,
                          y: pY,
                          width: pW,
                          height: pH
                      });
                      if (directionChange) {
                          direction = 1 - direction;
                      }
                  });
                  return childrenArea;
              },
              strip: function (parent, children) {
                  return this.algorithmLowAspectRatio(false, parent, children);
              },
              squarified: function (parent, children) {
                  return this.algorithmLowAspectRatio(true, parent, children);
              },
              sliceAndDice: function (parent, children) {
                  return this.algorithmFill(true, parent, children);
              },
              stripes: function (parent, children) {
                  return this.algorithmFill(false, parent, children);
              },
              translate: function () {
                  var series = this,
                      options = series.options, 
                      // NOTE: updateRootId modifies series.
                      rootId = updateRootId(series),
                      rootNode,
                      pointValues,
                      seriesArea,
                      tree,
                      val;
                  // Call prototype function
                  Series.prototype.translate.call(series);
                  // @todo Only if series.isDirtyData is true
                  tree = series.tree = series.getTree();
                  rootNode = series.nodeMap[rootId];
                  series.renderTraverseUpButton(rootId);
                  series.mapOptionsToLevel = getLevelOptions({
                      from: rootNode.level + 1,
                      levels: options.levels,
                      to: tree.height,
                      defaults: {
                          levelIsConstant: series.options.levelIsConstant,
                          colorByPoint: options.colorByPoint
                      }
                  });
                  if (rootId !== '' &&
                      (!rootNode || !rootNode.children.length)) {
                      series.setRootNode('', false);
                      rootId = series.rootNode;
                      rootNode = series.nodeMap[rootId];
                  }
                  // Parents of the root node is by default visible
                  recursive(series.nodeMap[series.rootNode], function (node) {
                      var next = false,
                          p = node.parent;
                      node.visible = true;
                      if (p || p === '') {
                          next = series.nodeMap[p];
                      }
                      return next;
                  });
                  // Children of the root node is by default visible
                  recursive(series.nodeMap[series.rootNode].children, function (children) {
                      var next = false;
                      children.forEach(function (child) {
                          child.visible = true;
                          if (child.children.length) {
                              next = (next || []).concat(child.children);
                          }
                      });
                      return next;
                  });
                  series.setTreeValues(tree);
                  // Calculate plotting values.
                  series.axisRatio = (series.xAxis.len / series.yAxis.len);
                  series.nodeMap[''].pointValues = pointValues = {
                      x: 0,
                      y: 0,
                      width: AXIS_MAX,
                      height: AXIS_MAX
                  };
                  series.nodeMap[''].values = seriesArea = merge(pointValues, {
                      width: (pointValues.width * series.axisRatio),
                      direction: (options.layoutStartingDirection === 'vertical' ? 0 : 1),
                      val: tree.val
                  });
                  series.calculateChildrenAreas(tree, seriesArea);
                  // Logic for point colors
                  if (!series.colorAxis &&
                      !options.colorByPoint) {
                      series.setColorRecursive(series.tree);
                  }
                  // Update axis extremes according to the root node.
                  if (options.allowTraversingTree) {
                      val = rootNode.pointValues;
                      series.xAxis.setExtremes(val.x, val.x + val.width, false);
                      series.yAxis.setExtremes(val.y, val.y + val.height, false);
                      series.xAxis.setScale();
                      series.yAxis.setScale();
                  }
                  // Assign values to points.
                  series.setPointValues();
              },
              /**
               * Extend drawDataLabels with logic to handle custom options related to
               * the treemap series:
               *
               * - Points which is not a leaf node, has dataLabels disabled by
               *   default.
               *
               * - Options set on series.levels is merged in.
               *
               * - Width of the dataLabel is set to match the width of the point
               *   shape.
               *
               * @private
               * @function Highcharts.Series#drawDataLabels
               */
              drawDataLabels: function () {
                  var series = this,
                      mapOptionsToLevel = series.mapOptionsToLevel,
                      points = series.points.filter(function (n) {
                          return n.node.visible;
                  }), options, level;
                  points.forEach(function (point) {
                      level = mapOptionsToLevel[point.node.level];
                      // Set options to new object to avoid problems with scope
                      options = { style: {} };
                      // If not a leaf, then label should be disabled as default
                      if (!point.node.isLeaf) {
                          options.enabled = false;
                      }
                      // If options for level exists, include them as well
                      if (level && level.dataLabels) {
                          options = merge(options, level.dataLabels);
                          series._hasPointLabels = true;
                      }
                      // Set dataLabel width to the width of the point shape.
                      if (point.shapeArgs) {
                          options.style.width = point.shapeArgs.width;
                          if (point.dataLabel) {
                              point.dataLabel.css({
                                  width: point.shapeArgs.width + 'px'
                              });
                          }
                      }
                      // Merge custom options with point options
                      point.dlOptions = merge(options, point.options.dataLabels);
                  });
                  Series.prototype.drawDataLabels.call(this);
              },
              // Over the alignment method by setting z index
              alignDataLabel: function (point, dataLabel, labelOptions) {
                  var style = labelOptions.style;
                  // #8160: Prevent the label from exceeding the point's
                  // boundaries in treemaps by applying ellipsis overflow.
                  // The issue was happening when datalabel's text contained a
                  // long sequence of characters without a whitespace.
                  if (!defined(style.textOverflow) &&
                      dataLabel.text &&
                      dataLabel.getBBox().width > dataLabel.text.textWidth) {
                      dataLabel.css({
                          textOverflow: 'ellipsis',
                          // unit (px) is required when useHTML is true
                          width: style.width += 'px'
                      });
                  }
                  seriesTypes.column.prototype.alignDataLabel.apply(this, arguments);
                  if (point.dataLabel) {
                      // point.node.zIndex could be undefined (#6956)
                      point.dataLabel.attr({ zIndex: (point.node.zIndex || 0) + 1 });
                  }
              },
              // Get presentational attributes
              pointAttribs: function (point, state) {
                  var series = this,
                      mapOptionsToLevel = (isObject(series.mapOptionsToLevel) ?
                          series.mapOptionsToLevel :
                          {}),
                      level = point && mapOptionsToLevel[point.node.level] || {},
                      options = this.options,
                      attr,
                      stateOptions = (state && options.states[state]) || {},
                      className = (point && point.getClassName()) || '',
                      opacity;
                  // Set attributes by precedence. Point trumps level trumps series.
                  // Stroke width uses pick because it can be 0.
                  attr = {
                      'stroke': (point && point.borderColor) ||
                          level.borderColor ||
                          stateOptions.borderColor ||
                          options.borderColor,
                      'stroke-width': pick(point && point.borderWidth, level.borderWidth, stateOptions.borderWidth, options.borderWidth),
                      'dashstyle': (point && point.borderDashStyle) ||
                          level.borderDashStyle ||
                          stateOptions.borderDashStyle ||
                          options.borderDashStyle,
                      'fill': (point && point.color) || this.color
                  };
                  // Hide levels above the current view
                  if (className.indexOf('highcharts-above-level') !== -1) {
                      attr.fill = 'none';
                      attr['stroke-width'] = 0;
                      // Nodes with children that accept interaction
                  }
                  else if (className.indexOf('highcharts-internal-node-interactive') !== -1) {
                      opacity = pick(stateOptions.opacity, options.opacity);
                      attr.fill = color(attr.fill).setOpacity(opacity).get();
                      attr.cursor = 'pointer';
                      // Hide nodes that have children
                  }
                  else if (className.indexOf('highcharts-internal-node') !== -1) {
                      attr.fill = 'none';
                  }
                  else if (state) {
                      // Brighten and hoist the hover nodes
                      attr.fill = color(attr.fill)
                          .brighten(stateOptions.brightness)
                          .get();
                  }
                  return attr;
              },
              // Override drawPoints
              drawPoints: function () {
                  var series = this,
                      chart = series.chart,
                      renderer = chart.renderer,
                      points = series.points,
                      styledMode = chart.styledMode,
                      options = series.options,
                      shadow = styledMode ? {} : options.shadow,
                      borderRadius = options.borderRadius,
                      withinAnimationLimit = chart.pointCount < options.animationLimit,
                      allowTraversingTree = options.allowTraversingTree;
                  points.forEach(function (point) {
                      var levelDynamic = point.node.levelDynamic,
                          animate = {},
                          attr = {},
                          css = {},
                          groupKey = 'level-group-' + levelDynamic,
                          hasGraphic = !!point.graphic,
                          shouldAnimate = withinAnimationLimit && hasGraphic,
                          shapeArgs = point.shapeArgs;
                      // Don't bother with calculate styling if the point is not drawn
                      if (point.shouldDraw()) {
                          if (borderRadius) {
                              attr.r = borderRadius;
                          }
                          merge(true, // Extend object
                          // Which object to extend
                          shouldAnimate ? animate : attr, 
                          // Add shapeArgs to animate/attr if graphic exists
                          hasGraphic ? shapeArgs : {}, 
                          // Add style attribs if !styleMode
                          styledMode ?
                              {} :
                              series.pointAttribs(point, (point.selected && 'select')));
                          // In styled mode apply point.color. Use CSS, otherwise the
                          // fill used in the style sheet will take precedence over
                          // the fill attribute.
                          if (series.colorAttribs && styledMode) {
                              // Heatmap is loaded
                              extend(css, series.colorAttribs(point));
                          }
                          if (!series[groupKey]) {
                              series[groupKey] = renderer.g(groupKey)
                                  .attr({
                                  // @todo Set the zIndex based upon the number of
                                  // levels, instead of using 1000
                                  zIndex: 1000 - levelDynamic
                              })
                                  .add(series.group);
                              series[groupKey].survive = true;
                          }
                      }
                      // Draw the point
                      point.draw({
                          animatableAttribs: animate,
                          attribs: attr,
                          css: css,
                          group: series[groupKey],
                          renderer: renderer,
                          shadow: shadow,
                          shapeArgs: shapeArgs,
                          shapeType: 'rect'
                      });
                      // If setRootNode is allowed, set a point cursor on clickables &
                      // add drillId to point
                      if (allowTraversingTree && point.graphic) {
                          point.drillId = options.interactByLeaf ?
                              series.drillToByLeaf(point) :
                              series.drillToByGroup(point);
                      }
                  });
              },
              // Add drilling on the suitable points
              onClickDrillToNode: function (event) {
                  var series = this,
                      point = event.point,
                      drillId = point && point.drillId;
                  // If a drill id is returned, add click event and cursor.
                  if (isString(drillId) &&
                      (series.isDrillAllowed ? series.isDrillAllowed(drillId) : true)) {
                      point.setState(''); // Remove hover
                      series.setRootNode(drillId, true, { trigger: 'click' });
                  }
              },
              /**
               * Finds the drill id for a parent node. Returns false if point should
               * not have a click event.
               *
               * @private
               * @function Highcharts.Series#drillToByGroup
               *
               * @param {Highcharts.Point} point
               *
               * @return {boolean|string}
               *         Drill to id or false when point should not have a click
               *         event.
               */
              drillToByGroup: function (point) {
                  var series = this,
                      drillId = false;
                  if ((point.node.level - series.nodeMap[series.rootNode].level) ===
                      1 &&
                      !point.node.isLeaf) {
                      drillId = point.id;
                  }
                  return drillId;
              },
              /**
               * Finds the drill id for a leaf node. Returns false if point should not
               * have a click event
               *
               * @private
               * @function Highcharts.Series#drillToByLeaf
               *
               * @param {Highcharts.Point} point
               *
               * @return {boolean|string}
               *         Drill to id or false when point should not have a click
               *         event.
               */
              drillToByLeaf: function (point) {
                  var series = this,
                      drillId = false,
                      nodeParent;
                  if ((point.node.parent !== series.rootNode) &&
                      point.node.isLeaf) {
                      nodeParent = point.node;
                      while (!drillId) {
                          nodeParent = series.nodeMap[nodeParent.parent];
                          if (nodeParent.parent === series.rootNode) {
                              drillId = nodeParent.id;
                          }
                      }
                  }
                  return drillId;
              },
              drillUp: function () {
                  var series = this,
                      node = series.nodeMap[series.rootNode];
                  if (node && isString(node.parent)) {
                      series.setRootNode(node.parent, true, { trigger: 'traverseUpButton' });
                  }
              },
              // TODO remove this function at a suitable version.
              drillToNode: function (id, redraw) {
                  error(32, false, void 0, { 'treemap.drillToNode': 'use treemap.setRootNode' });
                  this.setRootNode(id, redraw);
              },
              /**
               * Sets a new root node for the series.
               *
               * @private
               * @function Highcharts.Series#setRootNode
               *
               * @param {string} id The id of the new root node.
               * @param {boolean} [redraw=true] Wether to redraw the chart or not.
               * @param {object} [eventArguments] Arguments to be accessed in
               * event handler.
               * @param {string} [eventArguments.newRootId] Id of the new root.
               * @param {string} [eventArguments.previousRootId] Id of the previous
               * root.
               * @param {boolean} [eventArguments.redraw] Wether to redraw the
               * chart after.
               * @param {object} [eventArguments.series] The series to update the root
               * of.
               * @param {string} [eventArguments.trigger] The action which
               * triggered the event. Undefined if the setRootNode is called
               * directly.
               * @return {void}
               *
               * @fires Highcharts.Series#event:setRootNode
               */
              setRootNode: function (id, redraw, eventArguments) {
                  var series = this,
                      eventArgs = extend({
                          newRootId: id,
                          previousRootId: series.rootNode,
                          redraw: pick(redraw,
                      true),
                          series: series
                      },
                      eventArguments);
                  /**
                   * The default functionality of the setRootNode event.
                   *
                   * @private
                   * @param {object} args The event arguments.
                   * @param {string} args.newRootId Id of the new root.
                   * @param {string} args.previousRootId Id of the previous root.
                   * @param {boolean} args.redraw Wether to redraw the chart after.
                   * @param {object} args.series The series to update the root of.
                   * @param {string} [args.trigger=undefined] The action which
                   * triggered the event. Undefined if the setRootNode is called
                   * directly.
                   * @return {void}
                   */
                  var defaultFn = function (args) {
                          var series = args.series;
                      // Store previous and new root ids on the series.
                      series.idPreviousRoot = args.previousRootId;
                      series.rootNode = args.newRootId;
                      // Redraw the chart
                      series.isDirty = true; // Force redraw
                      if (args.redraw) {
                          series.chart.redraw();
                      }
                  };
                  // Fire setRootNode event.
                  fireEvent(series, 'setRootNode', eventArgs, defaultFn);
              },
              /**
               * Check if the drill up/down is allowed.
               *
               * @private
               */
              isDrillAllowed: function (targetNode) {
                  var tree = this.tree,
                      firstChild = tree.children[0];
                  // The sunburst series looks exactly the same on the level ''
                  // and level 1 if there’s only one element on level 1. Disable
                  // drilling up/down when it doesn't perform any visual
                  // difference (#13388).
                  return !(tree.children.length === 1 && ((this.rootNode === '' && targetNode === firstChild.id) ||
                      (this.rootNode === firstChild.id && targetNode === '')));
              },
              renderTraverseUpButton: function (rootId) {
                  var series = this,
                      nodeMap = series.nodeMap,
                      node = nodeMap[rootId],
                      name = node.name,
                      buttonOptions = series.options.traverseUpButton,
                      backText = pick(buttonOptions.text,
                      name, '< Back'),
                      attr,
                      states;
                  if (rootId === '' ||
                      (series.isDrillAllowed ?
                          !(isString(node.parent) && series.isDrillAllowed(node.parent)) : false)) {
                      if (series.drillUpButton) {
                          series.drillUpButton =
                              series.drillUpButton.destroy();
                      }
                  }
                  else if (!this.drillUpButton) {
                      attr = buttonOptions.theme;
                      states = attr && attr.states;
                      this.drillUpButton = this.chart.renderer
                          .button(backText, null, null, function () {
                          series.drillUp();
                      }, attr, states && states.hover, states && states.select)
                          .addClass('highcharts-drillup-button')
                          .attr({
                          align: buttonOptions.position.align,
                          zIndex: 7
                      })
                          .add()
                          .align(buttonOptions.position, false, buttonOptions.relativeTo || 'plotBox');
                  }
                  else {
                      this.drillUpButton.placed = false;
                      this.drillUpButton.attr({
                          text: backText
                      })
                          .align();
                  }
              },
              buildKDTree: noop,
              drawLegendSymbol: LegendSymbolMixin.drawRectangle,
              getExtremes: function () {
                  // Get the extremes from the value data
                  var _a = Series.prototype.getExtremes
                          .call(this,
                      this.colorValueData),
                      dataMin = _a.dataMin,
                      dataMax = _a.dataMax;
                  this.valueMin = dataMin;
                  this.valueMax = dataMax;
                  // Get the extremes from the y data
                  return Series.prototype.getExtremes.call(this);
              },
              getExtremesFromAll: true,
              /**
               * Workaround for `inactive` state. Since `series.opacity` option is
               * already reserved, don't use that state at all by disabling
               * `inactiveOtherPoints` and not inheriting states by points.
               *
               * @private
               */
              setState: function (state) {
                  this.options.inactiveOtherPoints = true;
                  Series.prototype.setState.call(this, state, false);
                  this.options.inactiveOtherPoints = false;
              },
              utils: {
                  recursive: recursive
              }
              /* eslint-enable no-invalid-this, valid-jsdoc */
          }, {
              draw: drawPoint,
              setVisible: seriesTypes.pie.prototype.pointClass.prototype.setVisible,
              /* eslint-disable no-invalid-this, valid-jsdoc */
              getClassName: function () {
                  var className = Point.prototype.getClassName.call(this),
                      series = this.series,
                      options = series.options;
                  // Above the current level
                  if (this.node.level <= series.nodeMap[series.rootNode].level) {
                      className += ' highcharts-above-level';
                  }
                  else if (!this.node.isLeaf &&
                      !pick(options.interactByLeaf, !options.allowTraversingTree)) {
                      className += ' highcharts-internal-node-interactive';
                  }
                  else if (!this.node.isLeaf) {
                      className += ' highcharts-internal-node';
                  }
                  return className;
              },
              /**
               * A tree point is valid if it has han id too, assume it may be a parent
               * item.
               *
               * @private
               * @function Highcharts.Point#isValid
               */
              isValid: function () {
                  return this.id || isNumber(this.value);
              },
              setState: function (state) {
                  Point.prototype.setState.call(this, state);
                  // Graphic does not exist when point is not visible.
                  if (this.graphic) {
                      this.graphic.attr({
                          zIndex: state === 'hover' ? 1 : 0
                      });
                  }
              },
              shouldDraw: function () {
                  var point = this;
                  return isNumber(point.plotY) && point.y !== null;
              }
          });
          addEvent(H.Series, 'afterBindAxes', function () {
              var series = this,
                  xAxis = series.xAxis,
                  yAxis = series.yAxis,
                  treeAxis;
              if (xAxis && yAxis) {
                  if (series.is('treemap')) {
                      treeAxis = {
                          endOnTick: false,
                          gridLineWidth: 0,
                          lineWidth: 0,
                          min: 0,
                          dataMin: 0,
                          minPadding: 0,
                          max: AXIS_MAX,
                          dataMax: AXIS_MAX,
                          maxPadding: 0,
                          startOnTick: false,
                          title: null,
                          tickPositions: []
                      };
                      extend(yAxis.options, treeAxis);
                      extend(xAxis.options, treeAxis);
                      treemapAxisDefaultValues = true;
                  }
                  else if (treemapAxisDefaultValues) {
                      yAxis.setOptions(yAxis.userOptions);
                      xAxis.setOptions(xAxis.userOptions);
                      treemapAxisDefaultValues = false;
                  }
              }
          });
          /* eslint-enable no-invalid-this, valid-jsdoc */
          /**
           * A `treemap` series. If the [type](#series.treemap.type) option is
           * not specified, it is inherited from [chart.type](#chart.type).
           *
           * @extends   series,plotOptions.treemap
           * @excluding dataParser, dataURL, stack, dataSorting
           * @product   highcharts
           * @requires  modules/treemap
           * @apioption series.treemap
           */
          /**
           * An array of data points for the series. For the `treemap` series
           * type, points can be given in the following ways:
           *
           * 1. An array of numerical values. In this case, the numerical values will be
           *    interpreted as `value` options. Example:
           *    ```js
           *    data: [0, 5, 3, 5]
           *    ```
           *
           * 2. An array of objects with named values. The following snippet shows only a
           *    few settings, see the complete options set below. If the total number of
           *    data points exceeds the series'
           *    [turboThreshold](#series.treemap.turboThreshold),
           *    this option is not available.
           *    ```js
           *      data: [{
           *        value: 9,
           *        name: "Point2",
           *        color: "#00FF00"
           *      }, {
           *        value: 6,
           *        name: "Point1",
           *        color: "#FF00FF"
           *      }]
           *    ```
           *
           * @sample {highcharts} highcharts/chart/reflow-true/
           *         Numerical values
           * @sample {highcharts} highcharts/series/data-array-of-objects/
           *         Config objects
           *
           * @type      {Array<number|null|*>}
           * @extends   series.heatmap.data
           * @excluding x, y
           * @product   highcharts
           * @apioption series.treemap.data
           */
          /**
           * The value of the point, resulting in a relative area of the point
           * in the treemap.
           *
           * @type      {number|null}
           * @product   highcharts
           * @apioption series.treemap.data.value
           */
          /**
           * Serves a purpose only if a `colorAxis` object is defined in the chart
           * options. This value will decide which color the point gets from the
           * scale of the colorAxis.
           *
           * @type      {number}
           * @since     4.1.0
           * @product   highcharts
           * @apioption series.treemap.data.colorValue
           */
          /**
           * Only for treemap. Use this option to build a tree structure. The
           * value should be the id of the point which is the parent. If no points
           * has a matching id, or this option is undefined, then the parent will
           * be set to the root.
           *
           * @sample {highcharts} highcharts/point/parent/
           *         Point parent
           * @sample {highcharts} highcharts/demo/treemap-with-levels/
           *         Example where parent id is not matching
           *
           * @type      {string}
           * @since     4.1.0
           * @product   highcharts
           * @apioption series.treemap.data.parent
           */
          ''; // adds doclets above to transpiled file
  
      });
      _registerModule(_modules, 'masters/modules/treemap.src.js', [], function () {
  
  
      });
  }));