diff --git a/core/block_dragger.js b/core/block_dragger.js
index b7c11e8a3..6e5ac10c1 100644
--- a/core/block_dragger.js
+++ b/core/block_dragger.js
@@ -24,6 +24,7 @@ const InsertionMarkerManager = goog.require('Blockly.InsertionMarkerManager');
 /* eslint-disable-next-line no-unused-vars */
 const WorkspaceSvg = goog.requireType('Blockly.WorkspaceSvg');
 const blockAnimation = goog.require('Blockly.blockAnimations');
+const common = goog.require('Blockly.common');
 const dom = goog.require('Blockly.utils.dom');
 const events = goog.require('Blockly.Events');
 const registry = goog.require('Blockly.registry');
@@ -332,7 +333,7 @@ BlockDragger.prototype.maybeDeleteBlock_ = function() {
     // Fire a move event, so we know where to go back to for an undo.
     this.fireMoveEvent_();
     this.draggingBlock_.dispose(false, true);
-    Blockly.draggingConnections = [];
+    common.draggingConnections.length = 0;
     return true;
   }
   return false;
diff --git a/core/block_svg.js b/core/block_svg.js
index 57d20c1ba..fbd3dd5dc 100644
--- a/core/block_svg.js
+++ b/core/block_svg.js
@@ -17,6 +17,7 @@ goog.require('Blockly.Block');
 goog.require('Blockly.blockAnimations');
 goog.require('Blockly.blockRendering.IPathObject');
 goog.require('Blockly.browserEvents');
+goog.require('Blockly.common');
 goog.require('Blockly.connectionTypes');
 goog.require('Blockly.constants');
 goog.require('Blockly.ContextMenu');
@@ -824,12 +825,11 @@ Blockly.BlockSvg.prototype.setDragging = function(adding) {
     var group = this.getSvgRoot();
     group.translate_ = '';
     group.skew_ = '';
-    Blockly.draggingConnections =
-        Blockly.draggingConnections.concat(this.getConnections_(true));
+    Blockly.common.draggingConnections.push(...this.getConnections_(true));
     Blockly.utils.dom.addClass(
         /** @type {!Element} */ (this.svgGroup_), 'blocklyDragging');
   } else {
-    Blockly.draggingConnections = [];
+    Blockly.common.draggingConnections.length = 0;
     Blockly.utils.dom.removeClass(
         /** @type {!Element} */ (this.svgGroup_), 'blocklyDragging');
   }
diff --git a/core/blockly.js b/core/blockly.js
index 7ad87be94..1f8cfa55a 100644
--- a/core/blockly.js
+++ b/core/blockly.js
@@ -57,7 +57,6 @@ goog.require('Blockly.WorkspaceSvg');
 goog.require('Blockly.Xml');
 
 goog.requireType('Blockly.BlockSvg');
-goog.requireType('Blockly.Connection');
 goog.requireType('Blockly.ICopyable');
 goog.requireType('Blockly.Workspace');
 
@@ -76,9 +75,14 @@ Blockly.VERSION = 'uncompiled';
 // Add a getter and setter pair for Blockly.mainWorkspace, for legacy reasons.
 Object.defineProperty(Blockly, 'mainWorkspace', {
   set: function(x) {
+    Blockly.utils.deprecation.warn(
+        'Blockly.mainWorkspace', 'September 2021', 'September 2022');
     Blockly.common.setMainWorkspace(x);
   },
   get: function() {
+    Blockly.utils.deprecation.warn(
+        'Blockly.mainWorkspace', 'September 2021', 'September 2022',
+        'Blockly.getMainWorkspace()');
     return Blockly.common.getMainWorkspace();
   }
 });
@@ -89,27 +93,6 @@ Object.defineProperty(Blockly, 'mainWorkspace', {
  */
 Blockly.selected = null;
 
-/**
- * All of the connections on blocks that are currently being dragged.
- * @type {!Array<!Blockly.Connection>}
- * @package
- */
-Blockly.draggingConnections = [];
-
-/**
- * Cached value for whether 3D is supported.
- * @type {?boolean}
- * @private
- */
-Blockly.cache3dSupported_ = null;
-
-/**
- * Container element to render the WidgetDiv, DropDownDiv and Tooltip.
- * @type {?Element}
- * @package
- */
-Blockly.parentContainer = null;
-
 /**
  * Returns the dimensions of the specified SVG image.
  * @param {!SVGElement} svg SVG image.
@@ -372,78 +355,6 @@ Blockly.hueToHex = function(hue) {
       Blockly.internalConstants.HSV_VALUE * 255);
 };
 
-/**
- * Checks old colour constants are not overwritten by the host application.
- * If a constant is overwritten, it prints a console warning directing the
- * developer to use the equivalent Msg constant.
- * @package
- */
-Blockly.checkBlockColourConstants = function() {
-  Blockly.checkBlockColourConstant_(
-      'LOGIC_HUE', ['Blocks', 'logic', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'LOGIC_HUE', ['Constants', 'Logic', 'HUE'], 210);
-  Blockly.checkBlockColourConstant_(
-      'LOOPS_HUE', ['Blocks', 'loops', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'LOOPS_HUE', ['Constants', 'Loops', 'HUE'], 120);
-  Blockly.checkBlockColourConstant_(
-      'MATH_HUE', ['Blocks', 'math', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'MATH_HUE', ['Constants', 'Math', 'HUE'], 230);
-  Blockly.checkBlockColourConstant_(
-      'TEXTS_HUE', ['Blocks', 'texts', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'TEXTS_HUE', ['Constants', 'Text', 'HUE'], 160);
-  Blockly.checkBlockColourConstant_(
-      'LISTS_HUE', ['Blocks', 'lists', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'LISTS_HUE', ['Constants', 'Lists', 'HUE'], 260);
-  Blockly.checkBlockColourConstant_(
-      'COLOUR_HUE', ['Blocks', 'colour', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'COLOUR_HUE', ['Constants', 'Colour', 'HUE'], 20);
-  Blockly.checkBlockColourConstant_(
-      'VARIABLES_HUE', ['Blocks', 'variables', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'VARIABLES_HUE', ['Constants', 'Variables', 'HUE'], 330);
-  // Blockly.Blocks.variables_dynamic.HUE never existed.
-  Blockly.checkBlockColourConstant_(
-      'VARIABLES_DYNAMIC_HUE', ['Constants', 'VariablesDynamic', 'HUE'], 310);
-  Blockly.checkBlockColourConstant_(
-      'PROCEDURES_HUE', ['Blocks', 'procedures', 'HUE'], undefined);
-  // Blockly.Constants.Procedures.HUE never existed.
-};
-
-/**
- * Checks for a constant in the Blockly namespace, verifying it is undefined or
- * has the old/original value. Prints a warning if this is not true.
- * @param {string} msgName The Msg constant identifier.
- * @param {!Array<string>} blocklyNamePath The name parts of the tested
- *     constant.
- * @param {number|undefined} expectedValue The expected value of the constant.
- * @private
- */
-Blockly.checkBlockColourConstant_ = function(
-    msgName, blocklyNamePath, expectedValue) {
-  var namePath = 'Blockly';
-  var value = Blockly;
-  for (var i = 0; i < blocklyNamePath.length; ++i) {
-    namePath += '.' + blocklyNamePath[i];
-    if (value) {
-      value = value[blocklyNamePath[i]];
-    }
-  }
-
-  if (value && value !== expectedValue) {
-    var warningPattern = (expectedValue === undefined) ?
-        '%1 has been removed. Use Blockly.Msg["%2"].' :
-        '%1 is deprecated and unused. Override Blockly.Msg["%2"].';
-    var warning = warningPattern.replace('%1', namePath).replace('%2', msgName);
-    console.warn(warning);
-  }
-};
-
 /**
  * Set the parent container.  This is the container element that the WidgetDiv,
  * DropDownDiv, and Tooltip are rendered into the first time `Blockly.inject`
@@ -451,9 +362,7 @@ Blockly.checkBlockColourConstant_ = function(
  * This method is a NOP if called after the first ``Blockly.inject``.
  * @param {!Element} container The container element.
  */
-Blockly.setParentContainer = function(container) {
-  Blockly.parentContainer = container;
-};
+Blockly.setParentContainer = Blockly.common.setParentContainer;
 
 /** Aliases. */
 
diff --git a/core/common.js b/core/common.js
index d9a6b9638..b6d7ad369 100644
--- a/core/common.js
+++ b/core/common.js
@@ -14,6 +14,8 @@
 goog.module('Blockly.common');
 goog.module.declareLegacyNamespace();
 
+/* eslint-disable-next-line no-unused-vars */
+const Connection = goog.requireType('Blockly.Connection');
 /* eslint-disable-next-line no-unused-vars */
 const Workspace = goog.requireType('Blockly.Workspace');
 
@@ -44,3 +46,37 @@ const setMainWorkspace = function(workspace) {
   mainWorkspace = workspace;
 };
 exports.setMainWorkspace = setMainWorkspace;
+
+/**
+ * Container element in which to render the WidgetDiv, DropDownDiv and Tooltip.
+ * @type {?Element}
+ */
+let parentContainer;
+
+/**
+ * Get the container element in which to render the WidgetDiv, DropDownDiv and\
+ * Tooltip.
+ * @return {?Element} The parent container.
+ */
+const getParentContainer = function() {
+  return parentContainer;
+};
+exports.getParentContainer = getParentContainer;
+
+/**
+ * Set the parent container.  This is the container element that the WidgetDiv,
+ * DropDownDiv, and Tooltip are rendered into the first time `Blockly.inject`
+ * is called.
+ * This method is a NOP if called after the first ``Blockly.inject``.
+ * @param {!Element} newParent The container element.
+ */
+const setParentContainer = function(newParent) {
+  parentContainer = newParent;
+};
+exports.setParentContainer = setParentContainer;
+
+/**
+ * All of the connections on blocks that are currently being dragged.
+ * @type {!Array<!Connection>}
+ */
+exports.draggingConnections = [];
diff --git a/core/connection_checker.js b/core/connection_checker.js
index 20a582aac..76162b017 100644
--- a/core/connection_checker.js
+++ b/core/connection_checker.js
@@ -19,6 +19,7 @@ const Connection = goog.require('Blockly.Connection');
 const IConnectionChecker = goog.require('Blockly.IConnectionChecker');
 /* eslint-disable-next-line no-unused-vars */
 const RenderedConnection = goog.requireType('Blockly.RenderedConnection');
+const common = goog.require('Blockly.common');
 const connectionTypes = goog.require('Blockly.connectionTypes');
 const internalConstants = goog.require('Blockly.internalConstants');
 const registry = goog.require('Blockly.registry');
@@ -239,7 +240,7 @@ ConnectionChecker.prototype.doDragChecks = function(a, b, distance) {
   }
 
   // Don't let blocks try to connect to themselves or ones they nest.
-  if (Blockly.draggingConnections.indexOf(b) != -1) {
+  if (common.draggingConnections.indexOf(b) != -1) {
     return false;
   }
 
@@ -263,7 +264,7 @@ ConnectionChecker.prototype.canConnectToPrevious_ = function(a, b) {
   }
 
   // Don't let blocks try to connect to themselves or ones they nest.
-  if (Blockly.draggingConnections.indexOf(b) != -1) {
+  if (common.draggingConnections.indexOf(b) != -1) {
     return false;
   }
 
diff --git a/core/dropdowndiv.js b/core/dropdowndiv.js
index bf5eddb69..5ebb22a5e 100644
--- a/core/dropdowndiv.js
+++ b/core/dropdowndiv.js
@@ -163,7 +163,7 @@ Blockly.DropDownDiv.createDom = function() {
   }
   var div = document.createElement('div');
   div.className = 'blocklyDropDownDiv';
-  var container = Blockly.parentContainer || document.body;
+  var container = Blockly.common.getParentContainer() || document.body;
   container.appendChild(div);
   /**
    * The div element.
diff --git a/core/inject.js b/core/inject.js
index 6bb3e6077..3b3715b0f 100644
--- a/core/inject.js
+++ b/core/inject.js
@@ -45,8 +45,6 @@ goog.requireType('Blockly.BlockSvg');
  * @return {!Blockly.WorkspaceSvg} Newly created main workspace.
  */
 Blockly.inject = function(container, opt_options) {
-  Blockly.checkBlockColourConstants();
-
   if (typeof container == 'string') {
     container = document.getElementById(container) ||
         document.querySelector(container);
diff --git a/core/tooltip.js b/core/tooltip.js
index 12819e13f..d93825815 100644
--- a/core/tooltip.js
+++ b/core/tooltip.js
@@ -22,6 +22,7 @@
 goog.provide('Blockly.Tooltip');
 
 goog.require('Blockly.browserEvents');
+goog.require('Blockly.common');
 goog.require('Blockly.utils.string');
 
 
@@ -170,7 +171,7 @@ Blockly.Tooltip.createDom = function() {
   // Create an HTML container for popup overlays (e.g. editor widgets).
   Blockly.Tooltip.DIV = document.createElement('div');
   Blockly.Tooltip.DIV.className = 'blocklyTooltipDiv';
-  var container = Blockly.parentContainer || document.body;
+  var container = Blockly.common.getParentContainer() || document.body;
   container.appendChild(Blockly.Tooltip.DIV);
 };
 
diff --git a/core/widgetdiv.js b/core/widgetdiv.js
index 8b7de7dac..106dce645 100644
--- a/core/widgetdiv.js
+++ b/core/widgetdiv.js
@@ -67,7 +67,7 @@ Blockly.WidgetDiv.createDom = function() {
    */
   Blockly.WidgetDiv.DIV = document.createElement('div');
   Blockly.WidgetDiv.DIV.className = 'blocklyWidgetDiv';
-  var container = Blockly.parentContainer || document.body;
+  var container = Blockly.common.getParentContainer() || document.body;
   container.appendChild(Blockly.WidgetDiv.DIV);
 };
 
diff --git a/tests/deps.js b/tests/deps.js
index 9b5264dc5..abed86ec5 100644
--- a/tests/deps.js
+++ b/tests/deps.js
@@ -10,8 +10,8 @@ goog.addDependency('../../blocks/variables_dynamic.js', ['Blockly.Constants.Vari
 goog.addDependency('../../core/block.js', ['Blockly.Block'], ['Blockly.ASTNode', 'Blockly.Blocks', 'Blockly.Connection', 'Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Events.BlockCreate', 'Blockly.Events.BlockDelete', 'Blockly.Events.BlockMove', 'Blockly.Extensions', 'Blockly.IASTNodeLocation', 'Blockly.IDeletable', 'Blockly.Input', 'Blockly.Tooltip', 'Blockly.Workspace', 'Blockly.connectionTypes', 'Blockly.constants', 'Blockly.fieldRegistry', 'Blockly.inputTypes', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Size', 'Blockly.utils.object'], {'lang': 'es5'});
 goog.addDependency('../../core/block_animations.js', ['Blockly.blockAnimations'], ['Blockly.utils.Svg', 'Blockly.utils.dom'], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/block_drag_surface.js', ['Blockly.BlockDragSurfaceSvg'], ['Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Svg', 'Blockly.utils.dom'], {'lang': 'es6', 'module': 'goog'});
-goog.addDependency('../../core/block_dragger.js', ['Blockly.BlockDragger'], ['Blockly.Events', 'Blockly.Events.BlockDrag', 'Blockly.Events.BlockMove', 'Blockly.IBlockDragger', 'Blockly.InsertionMarkerManager', 'Blockly.blockAnimations', 'Blockly.registry', 'Blockly.utils.Coordinate', 'Blockly.utils.dom'], {'lang': 'es6', 'module': 'goog'});
-goog.addDependency('../../core/block_svg.js', ['Blockly.BlockSvg'], ['Blockly.ASTNode', 'Blockly.Block', 'Blockly.ContextMenu', 'Blockly.ContextMenuRegistry', 'Blockly.Events', 'Blockly.Events.BlockMove', 'Blockly.Events.Selected', 'Blockly.IASTNodeLocationSvg', 'Blockly.IBoundedElement', 'Blockly.ICopyable', 'Blockly.IDraggable', 'Blockly.Msg', 'Blockly.RenderedConnection', 'Blockly.TabNavigateCursor', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.Xml', 'Blockly.blockAnimations', 'Blockly.blockRendering.IPathObject', 'Blockly.browserEvents', 'Blockly.connectionTypes', 'Blockly.constants', 'Blockly.internalConstants', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Rect', 'Blockly.utils.Svg', 'Blockly.utils.deprecation', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.userAgent']);
+goog.addDependency('../../core/block_dragger.js', ['Blockly.BlockDragger'], ['Blockly.Events', 'Blockly.Events.BlockDrag', 'Blockly.Events.BlockMove', 'Blockly.IBlockDragger', 'Blockly.InsertionMarkerManager', 'Blockly.blockAnimations', 'Blockly.common', 'Blockly.registry', 'Blockly.utils.Coordinate', 'Blockly.utils.dom'], {'lang': 'es6', 'module': 'goog'});
+goog.addDependency('../../core/block_svg.js', ['Blockly.BlockSvg'], ['Blockly.ASTNode', 'Blockly.Block', 'Blockly.ContextMenu', 'Blockly.ContextMenuRegistry', 'Blockly.Events', 'Blockly.Events.BlockMove', 'Blockly.Events.Selected', 'Blockly.IASTNodeLocationSvg', 'Blockly.IBoundedElement', 'Blockly.ICopyable', 'Blockly.IDraggable', 'Blockly.Msg', 'Blockly.RenderedConnection', 'Blockly.TabNavigateCursor', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.Xml', 'Blockly.blockAnimations', 'Blockly.blockRendering.IPathObject', 'Blockly.browserEvents', 'Blockly.common', 'Blockly.connectionTypes', 'Blockly.constants', 'Blockly.internalConstants', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Rect', 'Blockly.utils.Svg', 'Blockly.utils.deprecation', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.userAgent'], {'lang': 'es6'});
 goog.addDependency('../../core/blockly.js', ['Blockly'], ['Blockly.ComponentManager', 'Blockly.DropDownDiv', 'Blockly.Events', 'Blockly.Events.BlockCreate', 'Blockly.Events.FinishedLoading', 'Blockly.Events.Ui', 'Blockly.Events.UiBase', 'Blockly.Events.VarCreate', 'Blockly.Procedures', 'Blockly.ShortcutRegistry', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.Variables', 'Blockly.WidgetDiv', 'Blockly.WorkspaceSvg', 'Blockly.Xml', 'Blockly.browserEvents', 'Blockly.clipboard', 'Blockly.common', 'Blockly.connectionTypes', 'Blockly.constants', 'Blockly.inject', 'Blockly.inputTypes', 'Blockly.internalConstants', 'Blockly.utils', 'Blockly.utils.Size', 'Blockly.utils.colour', 'Blockly.utils.deprecation', 'Blockly.utils.toolbox']);
 goog.addDependency('../../core/blocks.js', ['Blockly.Blocks'], [], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/browser_events.js', ['Blockly.browserEvents'], ['Blockly.Touch', 'Blockly.utils.global'], {'lang': 'es6', 'module': 'goog'});
@@ -22,7 +22,7 @@ goog.addDependency('../../core/comment.js', ['Blockly.Comment'], ['Blockly.Bubbl
 goog.addDependency('../../core/common.js', ['Blockly.common'], [], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/component_manager.js', ['Blockly.ComponentManager'], [], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/connection.js', ['Blockly.Connection'], ['Blockly.Events', 'Blockly.Events.BlockMove', 'Blockly.IASTNodeLocationWithBlock', 'Blockly.Xml', 'Blockly.connectionTypes', 'Blockly.constants', 'Blockly.utils.deprecation'], {'lang': 'es6', 'module': 'goog'});
-goog.addDependency('../../core/connection_checker.js', ['Blockly.ConnectionChecker'], ['Blockly.Connection', 'Blockly.IConnectionChecker', 'Blockly.connectionTypes', 'Blockly.internalConstants', 'Blockly.registry'], {'lang': 'es6', 'module': 'goog'});
+goog.addDependency('../../core/connection_checker.js', ['Blockly.ConnectionChecker'], ['Blockly.Connection', 'Blockly.IConnectionChecker', 'Blockly.common', 'Blockly.connectionTypes', 'Blockly.internalConstants', 'Blockly.registry'], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/connection_db.js', ['Blockly.ConnectionDB'], ['Blockly.RenderedConnection', 'Blockly.connectionTypes', 'Blockly.constants'], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/connection_types.js', ['Blockly.connectionTypes'], [], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/constants.js', ['Blockly.constants'], [], {'lang': 'es6', 'module': 'goog'});
@@ -173,7 +173,7 @@ goog.addDependency('../../core/toolbox/collapsible_category.js', ['Blockly.Colla
 goog.addDependency('../../core/toolbox/separator.js', ['Blockly.ToolboxSeparator'], ['Blockly.Css', 'Blockly.ToolboxItem', 'Blockly.registry', 'Blockly.utils.dom', 'Blockly.utils.object'], {'lang': 'es6', 'module': 'goog'});
 goog.addDependency('../../core/toolbox/toolbox.js', ['Blockly.Toolbox'], ['Blockly.BlockSvg', 'Blockly.CollapsibleToolboxCategory', 'Blockly.ComponentManager', 'Blockly.Css', 'Blockly.DeleteArea', 'Blockly.Events', 'Blockly.Events.ToolboxItemSelect', 'Blockly.IAutoHideable', 'Blockly.IKeyboardAccessible', 'Blockly.IStyleable', 'Blockly.IToolbox', 'Blockly.Options', 'Blockly.Touch', 'Blockly.browserEvents', 'Blockly.constants', 'Blockly.registry', 'Blockly.utils', 'Blockly.utils.Rect', 'Blockly.utils.aria', 'Blockly.utils.dom', 'Blockly.utils.toolbox'], {'lang': 'es5'});
 goog.addDependency('../../core/toolbox/toolbox_item.js', ['Blockly.ToolboxItem'], ['Blockly.IToolboxItem', 'Blockly.utils.IdGenerator'], {'lang': 'es6', 'module': 'goog'});
-goog.addDependency('../../core/tooltip.js', ['Blockly.Tooltip'], ['Blockly.browserEvents', 'Blockly.utils.string']);
+goog.addDependency('../../core/tooltip.js', ['Blockly.Tooltip'], ['Blockly.browserEvents', 'Blockly.common', 'Blockly.utils.string']);
 goog.addDependency('../../core/touch.js', ['Blockly.Touch'], ['Blockly.internalConstants', 'Blockly.utils', 'Blockly.utils.global', 'Blockly.utils.string']);
 goog.addDependency('../../core/touch_gesture.js', ['Blockly.TouchGesture'], ['Blockly.Gesture', 'Blockly.browserEvents', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.object']);
 goog.addDependency('../../core/trashcan.js', ['Blockly.Trashcan'], ['Blockly.ComponentManager', 'Blockly.DeleteArea', 'Blockly.Events', 'Blockly.Events.TrashcanOpen', 'Blockly.IAutoHideable', 'Blockly.IPositionable', 'Blockly.Options', 'Blockly.Xml', 'Blockly.browserEvents', 'Blockly.internalConstants', 'Blockly.registry', 'Blockly.uiPosition', 'Blockly.utils', 'Blockly.utils.Rect', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.toolbox'], {'lang': 'es6', 'module': 'goog'});