Here is a list of all documented variables with links to the class documentation for each member:

- d -

DATA_TABLE : tool_brickfield\scheduler
DATAREQUEST_ACTION_APPROVE : tool_dataprivacy\api
DATAREQUEST_ACTION_REJECT : tool_dataprivacy\api
DATAREQUEST_CREATION_AUTO : tool_dataprivacy\data_request
DATAREQUEST_CREATION_MANUAL : tool_dataprivacy\data_request
DATAREQUEST_STATUS_APPROVED : tool_dataprivacy\api
DATAREQUEST_STATUS_AWAITING_APPROVAL : tool_dataprivacy\api
DATAREQUEST_STATUS_CANCELLED : tool_dataprivacy\api
DATAREQUEST_STATUS_COMPLETE : tool_dataprivacy\api
DATAREQUEST_STATUS_DELETED : tool_dataprivacy\api
DATAREQUEST_STATUS_DOWNLOAD_READY : tool_dataprivacy\api
DATAREQUEST_STATUS_EXPIRED : tool_dataprivacy\api
DATAREQUEST_STATUS_PENDING : tool_dataprivacy\api
DATAREQUEST_STATUS_PREPROCESSING : tool_dataprivacy\api
DATAREQUEST_STATUS_PROCESSING : tool_dataprivacy\api
DATAREQUEST_STATUS_REJECTED : tool_dataprivacy\api
DATAREQUEST_TYPE_DELETE : tool_dataprivacy\api
DATAREQUEST_TYPE_EXPORT : tool_dataprivacy\api
DATAREQUEST_TYPE_OTHERS : tool_dataprivacy\api
DATASTORE : Google_Service_Datastore
DATE_AFTER : core_reportbuilder\local\filters\date
DATE_ANY : core_reportbuilder\local\filters\date
DATE_BEFORE : core_reportbuilder\local\filters\date
DATE_CURRENT : core_reportbuilder\local\filters\date
DATE_EMPTY : core_reportbuilder\local\filters\date
DATE_FORMAT : search_solr\engine
DATE_FUTURE : core_reportbuilder\local\filters\date
DATE_LAST : core_reportbuilder\local\filters\date
DATE_NEXT : core_reportbuilder\local\filters\date
DATE_NOT_EMPTY : core_reportbuilder\local\filters\date
DATE_PAST : core_reportbuilder\local\filters\date
DATE_PREVIOUS : core_reportbuilder\local\filters\date
DATE_RANGE : core_reportbuilder\local\filters\date
DATE_SELECTOR_SUPPORTED : availability_date\frontend
DATE_UNIT_DAY : core_reportbuilder\local\filters\date
DATE_UNIT_HOUR : core_reportbuilder\local\filters\date
DATE_UNIT_MONTH : core_reportbuilder\local\filters\date
DATE_UNIT_WEEK : core_reportbuilder\local\filters\date
DATE_UNIT_YEAR : core_reportbuilder\local\filters\date
DAY_FRIDAY : core_calendar\rrule_manager
DAY_MONDAY : core_calendar\rrule_manager
DAY_SATURDAY : core_calendar\rrule_manager
DAY_SUNDAY : core_calendar\rrule_manager
DAY_THURSDAY : core_calendar\rrule_manager
DAY_TUESDAY : core_calendar\rrule_manager
DAY_WEDNESDAY : core_calendar\rrule_manager
DAYMAX : core\task\scheduled_task
DAYMIN : core\task\scheduled_task
DAYOFWEEKMAX : core\task\scheduled_task
DAYOFWEEKMAXINPUT : core\task\scheduled_task
DAYOFWEEKMIN : core\task\scheduled_task
DAYS_OF_WEEK : core_calendar\rrule_manager
DB_AREAS : tool_brickfield\manager
DB_CACHEACTS : tool_brickfield\manager
DB_CACHECHECK : tool_brickfield\manager
DB_CHECKS : tool_brickfield\manager
DB_CONTENT : tool_brickfield\manager
DB_ERRORS : tool_brickfield\manager
DB_PROCESS : tool_brickfield\manager
DB_QUERY_LIMIT : core_calendar\local\event\entities\repeat_event_collection
DB_RESULTS : tool_brickfield\manager
DB_SCHEDULE : tool_brickfield\manager
DB_SUMMARY : tool_brickfield\manager
DEBUG : core\update\validator, Google_Logger_Abstract, GuzzleHttp\RequestOptions
DEBUG_INFO : ScssPhp\ScssPhp\Compiler
DECODE_CONTENT : GuzzleHttp\RequestOptions
DECODE_UNRESERVED_CHARACTERS : GuzzleHttp\Psr7\UriNormalizer
DEFAULT_ANDROID_APP_ID : tool_mobile\api
DEFAULT_CAPABILITY_SORT : core\context
DEFAULT_CHECKSUM_ALGORITHM : mod_bigbluebuttonbn\local\config
DEFAULT_DATE_FORMAT : Google_Logger_Abstract
DEFAULT_DISPLAY_DELAY : core\progress\display_if_slow
DEFAULT_FETCH_BUFFER_SIZE : pgsql_native_moodle_database
DEFAULT_FONT_SIZE : OpenSpout\Common\Entity\Style\Style
DEFAULT_IOS_APP_ID : tool_mobile\api
DEFAULT_KEBAB_TRIGGER_CLASSES : action_menu
DEFAULT_LOG_FORMAT : Google_Logger_Abstract
DEFAULT_MAIN_PROCESS_KEEPALIVE : core\cron
DEFAULT_MLBACKEND : core_analytics\manager
DEFAULT_NUM_HINTS : qtype_ordering
DEFAULT_PAGE_SIZE : mod_quiz\local\reports\attempts_report, mod_quiz\question\bank\custom_view, tool_dataprivacy\local\helper
DEFAULT_PAGESIZE : core_reportbuilder\local\report\base
DEFAULT_PER_PAGE : forumreport_summary\summary_table
DEFAULT_POLL_INTERVAL : mod_bigbluebuttonbn\local\proxy\bigbluebutton_proxy
DEFAULT_QUARANTINE_FOLDER : core\antivirus\quarantine
DEFAULT_QUARANTINE_TIME : core\antivirus\quarantine
DEFAULT_RECORDING_SORT : mod_bigbluebuttonbn\recording
DEFAULT_RUBRIC_LEVELS : behat_gradingform_rubric
DEFAULT_SEARCH : restore_search_base
DEFAULT_SERVER_URL : mod_bigbluebuttonbn\local\config
DEFAULT_SHARE_KEY_LIFE : IMSGlobal\LTI\ToolProvider\ResourceLinkShareKey
DEFAULT_SHARED_SECRET : mod_bigbluebuttonbn\local\config
DEFAULT_SIZE : tool_generator_backend
DEFAULT_STYLE_ID : OpenSpout\Reader\XLSX\Manager\StyleManager
DEFAULT_THEME : theme_config
DEFAULT_TIMESTAMP : tgz_packer
DEFAULTPERPAGE : course_enrolment_table
DEFAULTSORT : course_enrolment_table
DEFAULTSORTDIRECTION : course_enrolment_table
DEFAULTUI : MoodleQuickForm_tags
DEFINITION_STATUS_DRAFT : gradingform_controller
DEFINITION_STATUS_NULL : gradingform_controller
DEFINITION_STATUS_READY : gradingform_controller
DEFLATE_COMPRESSION_FAST : ZipStream\GeneralPurposeBitFlag
DEFLATE_COMPRESSION_MAXIMUM : ZipStream\GeneralPurposeBitFlag
DEFLATE_COMPRESSION_NORMAL : ZipStream\GeneralPurposeBitFlag
DEFLATE_COMPRESSION_SUPERFAST : ZipStream\GeneralPurposeBitFlag
DELAY : GuzzleHttp\RequestOptions, quiz_statistics\task\recalculate
DELEGATE_TO_INSTRUCTOR : ltiservice_memberships\local\service\memberships
DELETE_LIMIT : tool_dataprivacy\expired_contexts_manager
DEP_DISABLE : MoodleQuickForm
DEP_HIDE : MoodleQuickForm
DEREFERENCES_OBJECTS : cache_store
DEVICETYPE_DEFAULT : core_useragent
DEVICETYPE_LEGACY : core_useragent
DEVICETYPE_MOBILE : core_useragent
DEVICETYPE_TABLET : core_useragent
DEVSTORAGE_FULL_CONTROL : Google_Service_Bigquery, Google_Service_Compute, Google_Service_Prediction, Google_Service_Storage
DEVSTORAGE_READ_ONLY : Google_Service_Bigquery, Google_Service_Compute, Google_Service_Prediction, Google_Service_Storage
DEVSTORAGE_READ_WRITE : Google_Service_Bigquery, Google_Service_Compute, Google_Service_Genomics, Google_Service_Manager, Google_Service_Prediction, Google_Service_Storage
DFAREPORTING : Google_Service_Dfareporting
DFATRAFFICKING : Google_Service_Dfareporting
DIRECTION_FROM : availability_date\condition
DIRECTION_UNTIL : availability_date\condition
DISABLED : admin_setting_flag, tool_usertours\tour
DISABLED_VALUE : setting_dependency
DISPLAY_EDIT_FROZEN : gradingform_guide_controller, gradingform_rubric_controller
DISPLAY_EDIT_FULL : gradingform_guide_controller, gradingform_rubric_controller
DISPLAY_EVAL : gradingform_guide_controller, gradingform_rubric_controller
DISPLAY_EVAL_FROZEN : gradingform_guide_controller, gradingform_rubric_controller
DISPLAY_INDEXING_PROGRESS_EVERY : core_search\manager
DISPLAY_LONG_QUERY_TIME : core_search\manager
DISPLAY_PREVIEW : gradingform_guide_controller, gradingform_rubric_controller
DISPLAY_PREVIEW_GRADED : gradingform_guide_controller, gradingform_rubric_controller
DISPLAY_RESULTS_PER_PAGE : core_search\manager
DISPLAY_REVIEW : gradingform_guide_controller, gradingform_rubric_controller
DISPLAY_VIEW : gradingform_guide_controller, gradingform_rubric_controller
DO_CREATE : tool_uploadcourse_course
DO_DELETE : tool_uploadcourse_course
DO_UPDATE : tool_uploadcourse_course
DOCS_URL : behat_command
DOCUMENTFEED_URL : google_docs
DOUBLECLICKSEARCH : Google_Service_Doubleclicksearch
DRAWER_OPEN_BLOCK : theme_boost\privacy\provider
DRAWER_OPEN_INDEX : theme_boost\privacy\provider
DRIVE : Google_Service_Appsactivity, Google_Service_Drive, Google_Service_Script
DRIVE_APPDATA : Google_Service_Drive, Google_Service_Games
DRIVE_APPS_READONLY : Google_Service_Drive
DRIVE_FILE : Google_Service_Drive
DRIVE_METADATA : Google_Service_Appsactivity, Google_Service_Drive
DRIVE_METADATA_READONLY : Google_Service_Appsactivity, Google_Service_Drive
DRIVE_PHOTOS_READONLY : Google_Service_Drive
DRIVE_READONLY : Google_Service_Appsactivity, Google_Service_Drive
DRIVE_SCRIPTS : Google_Service_Drive
DUEDATE_THRESHOLD : core_competency\plan, core_competency\template_cohort
DUMMY_QUERY_ID : ADORecordSet
DURATION_ANY : core_reportbuilder\local\filters\duration
DURATION_MAXIMUM : core_reportbuilder\local\filters\duration
DURATION_MINIMUM : core_reportbuilder\local\filters\duration
DURING : mod_quiz\admin\review_setting, mod_quiz\question\display_options