* Add annotations to files under core/events
* Add annotations to files under core/interfaces
* Add annotations to files under core/keyboard_nav
* Add annotations to files under core/renderers
* Add annotations to files under core/serialization
* Add annotations to files under core/theme
* Add annotations to files under core/toolbox
* Add annotations to files under core/utils
* Add annotations to files under core
* Renamed Blockly.connectionTypes to Blockly.ConnectionType
* Renamed core/connection_types.js to connection_type.js
* Add entry to renamings.js for renaming of Blockly.connectionTypes
Co-authored-by: Christopher Allen <cpcallen+git@google.com>
* chore: named export for block.js
* chore: named export for block_drag_surface.js
* chore: named export for block_dragger.js
* chore: named export for block_svg.js
* Fix import ordering
* chore: fix imports using requireType
* Remove extra require
* Migrate core/events/events.js to ES6 const/let
* Migrate core/events/events.js to goog.module
* Migrate core/events/events.js to named requires
* clang-format core/events/events.js
* Migrate Blockly core to use getRecordUndo/setRecordUndo
* Update core/events.js to reflect latest guidance around exporting mutable fields
* Migrate core/events/events_block_drag.js to ES6 const/let
* Migrate core/events/events_block_drag.js to goog.module
* Migrate core/events/events_block_drag.js to named requires
* clang-format core/events/events_block_drag.js
* Migrate core/events/events_theme_change.js to ES6 const/let
* Migrate core/events/events_theme_change.js to goog.module
* Migrate core/events/events_theme_change.js to named requires
* clang-format core/events/events_theme_change.js
* Migrate core/events/workspace_events.js to ES6 const/let
* Migrate core/events/workspace_events.js to goog.module
* Migrate core/events/workspace_events.js to named requires
* clang-format core/events/workspace_events.js
* Update build artifact sizes in check_metadata.sh
* Add comment about root cause of build artifact size change
* Migrate core/events/workspace_events.js to ES6 const/let
* Migrate core/events/workspace_events.js to goog.module
* Migrate core/events/workspace_events.js to named requires
* clang-format core/events/workspace_events.js
* Clarify require name for Blockly.Events.Abstract
* Migrate core/events/events_bubble_open.js to ES6 const/let
* Migrate core/events/events_bubble_open.js to goog.module
* Migrate core/events/events_bubble_open.js to named requires
* Migrate core/events/events_trashcan_open.js to ES6 const/let
* Migrate core/events/events_trashcan_open.js to goog.module
* Migrate core/events/events_trashcan_open.js to named requires
* clang-format core/events/events_trashcan_open.js
* Migrate core/events/events_selected.js to ES6 const/let
* Migrate core/events/events_selected.js to goog.module
* Migrate core/events/events_selected.js to named requires
* clang-format core/events/events_selected.js