So. MUCH. override

package.json

@@ -101,10 +101,10 @@
     "utility-types": "3.10.0"
   },
   "devDependencies": {
-    "@babel/core": "7.9.0",
-    "@babel/preset-env": "7.9.0",
-    "@babel/preset-react": "7.9.4",
-    "@babel/preset-typescript": "7.9.0",
+    "@babel/core": "7.14.0",
+    "@babel/preset-env": "7.14.1",
+    "@babel/preset-react": "7.13.13",
+    "@babel/preset-typescript": "7.13.0",
     "@testing-library/react": "11.2.3",
     "@types/applicationinsights-js": "1.0.7",
     "@types/codemirror": "0.0.56",
@@ -127,10 +127,10 @@
     "@types/sinon": "2.3.3",
     "@types/styled-components": "5.1.1",
     "@types/underscore": "1.7.36",
-    "@typescript-eslint/eslint-plugin": "4.22.0",
-    "@typescript-eslint/parser": "4.22.0",
-    "babel-jest": "24.9.0",
-    "babel-loader": "8.1.0",
+    "@typescript-eslint/eslint-plugin": "4.22.1",
+    "@typescript-eslint/parser": "4.22.1",
+    "babel-jest": "26.6.3",
+    "babel-loader": "8.2.2",
     "buffer": "5.1.0",
     "case-sensitive-paths-webpack-plugin": "2.3.0",
     "create-file-webpack": "1.0.2",
@@ -138,7 +138,7 @@
     "enzyme": "3.11.0",
     "enzyme-adapter-react-16": "1.15.5",
     "enzyme-to-json": "3.6.1",
-    "eslint": "7.8.1",
+    "eslint": "7.25.0",
     "eslint-cli": "1.1.1",
     "eslint-plugin-no-null": "1.0.2",
     "eslint-plugin-prefer-arrow": "1.2.2",
@@ -152,7 +152,7 @@
     "html-loader": "0.5.5",
     "html-loader-jest": "0.2.1",
     "html-webpack-plugin": "4.5.2",
-    "jest": "25.5.4",
+    "jest": "26.6.3",
     "jest-canvas-mock": "2.1.0",
     "jest-playwright-preset": "1.5.1",
     "jest-trx-results-processor": "0.0.7",
@@ -169,10 +169,10 @@
     "rimraf": "3.0.0",
     "sinon": "3.2.1",
     "style-loader": "0.23.0",
-    "ts-loader": "6.2.2",
-    "tslint": "5.11.0",
-    "tslint-microsoft-contrib": "6.0.0",
-    "typescript": "4.2.4",
+    "ts-loader": "9.1.2",
+    "tslint": "6.1.3",
+    "tslint-microsoft-contrib": "6.2.0",
+    "typescript": "4.3.0-beta",
     "url-loader": "1.1.1",
     "wait-on": "4.0.2",
     "webpack": "4.46.0",

src/Common/ObjectCache.ts

@@ -3,11 +3,11 @@ export class ObjectCache<T> extends Map<string, T> {
     super();
   }
 
-  public get(key: string): T | undefined {
+  public override get(key: string): T | undefined {
     return this.touch(key);
   }
 
-  public set(key: string, value: T): this {
+  public override set(key: string, value: T): this {
     if (this.size === this.limit) {
       this.delete(this.keys().next().value);
     }

src/Explorer/Controls/AccessibleElement/AccessibleElement.tsx

@@ -20,7 +20,7 @@ export class AccessibleElement extends React.Component<AccessibleElementProps> {
     }
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const elementProps = { ...this.props };
     delete elementProps.as;
     delete elementProps.onActivated;

src/Explorer/Controls/Accordion/AccordionComponent.tsx

@@ -12,7 +12,7 @@ import TriangleRightIcon from "../../../../images/Triangle-right.svg";
 export interface AccordionComponentProps {}
 
 export class AccordionComponent extends React.Component<AccordionComponentProps> {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return <div className="accordion">{this.props.children}</div>;
   }
 }
@@ -42,7 +42,7 @@ export class AccordionItemComponent extends React.Component<AccordionItemCompone
     };
   }
 
-  componentDidUpdate() {
+public override componentDidUpdate() {
     if (this.props.isExpanded !== this.isExpanded) {
       this.isExpanded = this.props.isExpanded;
       this.setState({
@@ -51,7 +51,7 @@ export class AccordionItemComponent extends React.Component<AccordionItemCompone
     }
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className="accordionItemContainer">
         <div className="accordionItemHeader" onClick={this.onHeaderClick} onKeyPress={this.onHeaderKeyPress}>

src/Explorer/Controls/Arcadia/ArcadiaMenuPicker.tsx

@@ -62,7 +62,7 @@ export class ArcadiaMenuPicker extends React.Component<ArcadiaMenuPickerProps, A
     this.props.onCreateNewSparkPoolClicked(item.key);
   };
 
-  public render() {
+  public override render() {
     const { workspaces } = this.props;
     let workspaceMenuItems: IContextualMenuItem[] = workspaces.map((workspace) => {
       let sparkPoolsMenuProps: IContextualMenuProps = {

src/Explorer/Controls/CollapsiblePanel/CollapsiblePanel.tsx

@@ -19,7 +19,7 @@ export interface CollapsiblePanelProps {
 }
 
 export class CollapsiblePanel extends React.Component<CollapsiblePanelProps> {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className={`collapsiblePanel ${this.props.isCollapsed ? "paneCollapsed" : ""}`}>
         {!this.props.isCollapsed ? this.getExpandedFragment() : this.getCollapsedFragment()}

src/Explorer/Controls/CollapsiblePanel/CollapsibleSectionComponent.tsx

@@ -24,13 +24,13 @@ export class CollapsibleSectionComponent extends React.Component<CollapsibleSect
     this.setState({ isExpanded: !this.state.isExpanded });
   };
 
-  public componentDidUpdate(): void {
+  public override componentDidUpdate(): void {
     if (this.state.isExpanded && this.props.onExpand) {
       this.props.onExpand();
     }
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <>
         <Stack

src/Explorer/Controls/CommandButton/CommandButtonComponent.tsx

@@ -129,7 +129,7 @@ export class CommandButtonComponent extends React.Component<CommandButtonCompone
   private dropdownElt: HTMLElement;
   private expandButtonElt: HTMLElement;
 
-  public componentDidUpdate(): void {
+  public override componentDidUpdate(): void {
     if (!this.dropdownElt || !this.expandButtonElt) {
       return;
     }
@@ -243,7 +243,7 @@ export class CommandButtonComponent extends React.Component<CommandButtonCompone
     );
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     let mainClassName = "commandButtonComponent";
     if (this.props.disabled) {
       mainClassName += " commandDisabled";

src/Explorer/Controls/Directory/DefaultDirectoryDropdownComponent.tsx

@@ -16,7 +16,7 @@ export interface DefaultDirectoryDropdownProps {
 export class DefaultDirectoryDropdownComponent extends React.Component<DefaultDirectoryDropdownProps> {
   public static readonly lastVisitedKey: string = "lastVisited";
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const lastVisitedOption: IDropdownOption = {
       key: DefaultDirectoryDropdownComponent.lastVisitedKey,
       text: "Sign in to your last visited directory",

src/Explorer/Controls/Directory/DirectoryListComponent.tsx

@@ -36,7 +36,7 @@ export class DirectoryListComponent extends React.Component<DirectoryListProps,
     };
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const { directories: originalItems, selectedDirectoryId } = this.props;
     const { filterText } = this.state;
     const filteredItems =

src/Explorer/Controls/DynamicList/DynamicListComponent.ts

@@ -56,7 +56,7 @@ export class DynamicListViewModel extends WaitsForTemplateViewModel {
   public ariaLabel: string;
   public buttonText: string;
   public newItem: ko.Observable<string>;
-  public isTemplateReady: ko.Observable<boolean>;
+  public override isTemplateReady: ko.Observable<boolean>;
   public listItems: ko.ObservableArray<DynamicListItem>;
 
   public constructor(options: DynamicListParams) {

src/Explorer/Controls/Editor/EditorComponent.ts

@@ -26,7 +26,7 @@ export interface EditorParams extends JsonEditorParams {
  */
 // TODO: Ideally, JsonEditorViewModel should extend EditorViewModel and not the other way around
 class EditorViewModel extends JsonEditorViewModel {
-  public params: EditorParams;
+  public override params: EditorParams;
   private static providerRegistered: string[] = [];
 
   public constructor(params: EditorParams) {
@@ -44,11 +44,11 @@ class EditorViewModel extends JsonEditorViewModel {
       });
   }
 
-  protected getEditorLanguage(): string {
+  protected override getEditorLanguage(): string {
     return this.params.contentType;
   }
 
-  protected async registerCompletionItemProvider() {
+  protected override async registerCompletionItemProvider() {
     if (EditorViewModel.providerRegistered.indexOf("sql") < 0) {
       const { SqlCompletionItemProvider } = await import("@azure/cosmos-language-service");
       const monaco = await loadMonaco();
@@ -57,7 +57,7 @@ class EditorViewModel extends JsonEditorViewModel {
     }
   }
 
-  protected async getErrorMarkers(input: string): Promise<monaco.editor.IMarkerData[]> {
+  protected override async getErrorMarkers(input: string): Promise<monaco.editor.IMarkerData[]> {
     const { ErrorMarkProvider } = await import("@azure/cosmos-language-service");
     return ErrorMarkProvider.getErrorMark(input);
   }

src/Explorer/Controls/Editor/EditorReact.tsx

@@ -21,20 +21,20 @@ export class EditorReact extends React.Component<EditorReactProps> {
     super(props);
   }
 
-  public componentDidMount(): void {
+  public override componentDidMount(): void {
     this.createEditor(this.configureEditor.bind(this));
   }
 
-  public shouldComponentUpdate(): boolean {
+  public override shouldComponentUpdate(): boolean {
     // Prevents component re-rendering
     return false;
   }
 
-  public componentWillUnmount(): void {
+  public override componentWillUnmount(): void {
     this.selectionListener && this.selectionListener.dispose();
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return <div className="jsonEditor" ref={(elt: HTMLElement) => this.setRef(elt)} />;
   }
 

src/Explorer/Controls/GitHub/AddRepoComponent.tsx

@@ -38,7 +38,7 @@ export class AddRepoComponent extends React.Component<AddRepoComponentProps, Add
     };
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const textFieldProps: ITextFieldProps = {
       placeholder: AddRepoComponent.TextFieldPlaceholder,
       autoFocus: true,

src/Explorer/Controls/GitHub/AuthorizeAccessComponent.tsx

@@ -49,7 +49,7 @@ export class AuthorizeAccessComponent extends React.Component<
     };
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const choiceGroupProps: IChoiceGroupProps = {
       options: [
         {

src/Explorer/Controls/GitHub/GitHubReposComponent.tsx

@@ -29,7 +29,7 @@ export class GitHubReposComponent extends React.Component<GitHubReposComponentPr
   private static readonly OKButtonText = "OK";
   private static readonly CancelButtonText = "Cancel";
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const content: JSX.Element = this.props.showAuthorizeAccess ? (
       <AuthorizeAccessComponent {...this.props.authorizeAccessProps} />
     ) : (

src/Explorer/Controls/GitHub/ReposListComponent.tsx

@@ -67,7 +67,7 @@ export class ReposListComponent extends React.Component<ReposListComponentProps>
   private static readonly DefaultBranchName = "master";
   private static readonly FooterIndex = -1;
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const pinnedReposListProps: IDetailsListProps = {
       styles: {
         contentWrapper: {

src/Explorer/Controls/Header/GalleryHeaderComponent.tsx

@@ -30,7 +30,7 @@ export class GalleryHeaderComponent extends React.Component {
     );
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <Stack
         tokens={{ childrenGap: 10 }}

src/Explorer/Controls/InputTypeahead/InputTypeaheadComponent.tsx

@@ -113,7 +113,7 @@ export class InputTypeaheadComponent extends React.Component<
    * @param prevState
    * @param snapshot
    */
-  public componentDidUpdate(
+  public override componentDidUpdate(
     prevProps: InputTypeaheadComponentProps,
     prevState: InputTypeaheadComponentState,
     snapshot: any
@@ -127,11 +127,11 @@ export class InputTypeaheadComponent extends React.Component<
   /**
    * Executed once react is done building the DOM for this component
    */
-  public componentDidMount(): void {
+  public override componentDidMount(): void {
     this.initializeTypeahead();
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <span className="input-typeahead-container">
         <div

src/Explorer/Controls/Notebook/NotebookTerminalComponent.tsx

@@ -19,7 +19,7 @@ export class NotebookTerminalComponent extends React.Component<NotebookTerminalC
     super(props);
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className="notebookTerminalContainer">
         <iframe

src/Explorer/Controls/NotebookGallery/GalleryAndNotebookViewerComponent.tsx

@@ -42,7 +42,7 @@ export class GalleryAndNotebookViewerComponent extends React.Component<
     };
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     if (this.state.notebookUrl) {
       const props: NotebookViewerComponentProps = {
         container: this.props.container,

src/Explorer/Controls/NotebookGallery/GalleryViewerComponent.tsx

@@ -149,7 +149,7 @@ export class GalleryViewerComponent extends React.Component<GalleryViewerCompone
     this.loadFavoriteNotebooks(this.state.searchText, this.state.sortBy, false); // Need this to show correct favorite button state
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     this.traceViewGallery();
 
     const tabs: GalleryTabInfo[] = [

src/Explorer/Controls/NotebookGallery/InfoComponent/InfoComponent.tsx

@@ -38,7 +38,7 @@ export class InfoComponent extends React.Component<InfoComponentProps> {
     );
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <HoverCard plainCardProps={{ onRenderPlainCard: this.onHover }} instantOpenOnClick type={HoverCardType.plain}>
         <div className="infoPanelMain">

src/Explorer/Controls/NotebookViewer/NotebookMetadataComponent.tsx

@@ -41,7 +41,7 @@ export class NotebookMetadataComponent extends React.Component<NotebookMetadataC
     );
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const options: Intl.DateTimeFormatOptions = {
       year: "numeric",
       month: "short",

src/Explorer/Controls/NotebookViewer/NotebookViewerComponent.tsx

@@ -132,7 +132,7 @@ export class NotebookViewerComponent
     }
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className="notebookViewerContainer">
         {this.props.backNavigationText !== undefined ? (

src/Explorer/Controls/QueriesGridReactComponent/QueriesGridComponent.tsx

@@ -62,7 +62,7 @@ export class QueriesGridComponent extends React.Component<QueriesGridComponentPr
     this.selection.setItems(this.state.filteredResults);
   }
 
-  public componentDidUpdate(prevProps: QueriesGridComponentProps, prevState: QueriesGridComponentState): void {
+  public override componentDidUpdate(prevProps: QueriesGridComponentProps, prevState: QueriesGridComponentState): void {
     this.selection.setItems(
       this.state.filteredResults,
       !_.isEqual(prevState.filteredResults, this.state.filteredResults)
@@ -79,11 +79,11 @@ export class QueriesGridComponent extends React.Component<QueriesGridComponentPr
   }
 
   // fetched saved queries when panel open
-  public componentDidMount() {
+  public override componentDidMount() {
     this.fetchSavedQueries();
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     if (this.state.queries.length === 0) {
       return this.renderBannerComponent();
     }

src/Explorer/Controls/RadioSwitchComponent/RadioSwitchComponent.tsx

@@ -20,7 +20,7 @@ export interface RadioSwitchComponentProps {
 }
 
 export class RadioSwitchComponent extends React.Component<RadioSwitchComponentProps> {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className="radioSwitchComponent">
         {this.props.choices.map((choice: Choice) => (

src/Explorer/Controls/ResizeSensorReactComponent/ResizeSensorComponent.tsx

@@ -17,7 +17,7 @@ export abstract class ResizeSensorComponent<P, S> extends React.Component<P, S>
   protected abstract onDimensionsChanged(width: number, height: number): void;
   protected abstract getSensorTarget(): HTMLElement;
 
-  public componentDidUpdate(): void {
+  public override componentDidUpdate(): void {
     if (this.isSensing) {
       return;
     }
@@ -37,7 +37,7 @@ export abstract class ResizeSensorComponent<P, S> extends React.Component<P, S>
     }
   }
 
-  public componentWillUnmount(): void {
+  public override componentWillUnmount(): void {
     if (!!this.resizeSensor) {
       this.resizeSensor.detach();
     }

src/Explorer/Controls/Settings/SettingsComponent.tsx

@@ -213,7 +213,7 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
     };
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     if (this.isCollectionSettingsTab) {
       this.refreshIndexTransformationProgress();
       this.loadMongoIndexes();
@@ -226,7 +226,7 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
     }
   }
 
-  componentDidUpdate(): void {
+public override componentDidUpdate(): void {
     if (this.props.settingsTab.isActive()) {
       this.props.settingsTab.getContainer().onUpdateTabsButtons(this.getTabsButtons());
     }
@@ -879,7 +879,7 @@ export class SettingsComponent extends React.Component<SettingsComponentProps, S
     return mongoIndexingPolicyAADError;
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const scaleComponentProps: ScaleComponentProps = {
       collection: this.collection,
       database: this.database,

src/Explorer/Controls/Settings/SettingsRenderUtils.test.tsx

@@ -26,7 +26,7 @@ import {
 } from "./SettingsRenderUtils";
 
 class SettingsRenderUtilsTestComponent extends React.Component {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const estimatedSpendingColumns: IColumn[] = [
       { key: "costType", name: "", fieldName: "costType", minWidth: 100, maxWidth: 200, isResizable: true },
       { key: "hourly", name: "Hourly", fieldName: "hourly", minWidth: 100, maxWidth: 200, isResizable: true },

src/Explorer/Controls/Settings/SettingsSubComponents/ConflictResolutionComponent.tsx

@@ -40,11 +40,11 @@ export class ConflictResolutionComponent extends React.Component<ConflictResolut
     { key: DataModels.ConflictResolutionMode.Custom, text: "Merge Procedure (custom)" },
   ];
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     this.onComponentUpdate();
   }
 
-  componentDidUpdate(): void {
+public override componentDidUpdate(): void {
     this.onComponentUpdate();
   }
 
@@ -135,7 +135,7 @@ export class ConflictResolutionComponent extends React.Component<ConflictResolut
     />
   );
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <Stack {...subComponentStackProps}>
         {this.getConflictResolutionModeComponent()}

src/Explorer/Controls/Settings/SettingsSubComponents/IndexingPolicyComponent.tsx

@@ -38,7 +38,7 @@ export class IndexingPolicyComponent extends React.Component<
     };
   }
 
-  componentDidUpdate(): void {
+public override componentDidUpdate(): void {
     if (this.props.shouldDiscardIndexingPolicy) {
       this.resetIndexingPolicyEditor();
       this.props.resetShouldDiscardIndexingPolicy();
@@ -46,7 +46,7 @@ export class IndexingPolicyComponent extends React.Component<
     this.onComponentUpdate();
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     this.resetIndexingPolicyEditor();
     this.onComponentUpdate();
   }
@@ -112,7 +112,7 @@ export class IndexingPolicyComponent extends React.Component<
     }
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <Stack {...titleAndInputStackProps}>
         <IndexingPolicyRefreshComponent

src/Explorer/Controls/Settings/SettingsSubComponents/IndexingPolicyRefresh/IndexingPolicyRefreshComponent.tsx

@@ -52,7 +52,7 @@ export class IndexingPolicyRefreshComponent extends React.Component<
     }
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return this.renderIndexTransformationWarning() ? (
       <MessageBar messageBarType={MessageBarType.warning}>{this.renderIndexTransformationWarning()}</MessageBar>
     ) : (

src/Explorer/Controls/Settings/SettingsSubComponents/MongoIndexingPolicy/AddMongoIndexComponent.tsx

@@ -61,7 +61,7 @@ export class AddMongoIndexComponent extends React.Component<AddMongoIndexCompone
     this.descriptionTextField.focus();
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <Stack {...mongoWarningStackProps}>
         <Stack horizontal tokens={addMongoIndexSubElementsTokens}>

src/Explorer/Controls/Settings/SettingsSubComponents/MongoIndexingPolicy/MongoIndexingPolicyComponent.tsx

@@ -89,14 +89,14 @@ export class MongoIndexingPolicyComponent extends React.Component<MongoIndexingP
     },
   ];
 
-  componentDidUpdate(prevProps: MongoIndexingPolicyComponentProps): void {
+public override componentDidUpdate(prevProps: MongoIndexingPolicyComponentProps): void {
     if (this.props.indexesToAdd.length > prevProps.indexesToAdd.length) {
       this.addMongoIndexComponentRefs[prevProps.indexesToAdd.length]?.current?.focus();
     }
     this.onComponentUpdate();
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     this.onComponentUpdate();
   }
 
@@ -311,7 +311,7 @@ export class MongoIndexingPolicyComponent extends React.Component<MongoIndexingP
     );
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     if (this.props.mongoIndexes) {
       if (this.hasCompoundIndex()) {
         return mongoCompoundIndexNotSupportedMessage;

src/Explorer/Controls/Settings/SettingsSubComponents/ScaleComponent.tsx

@@ -216,7 +216,7 @@ export class ScaleComponent extends React.Component<ScaleComponentProps> {
     );
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <Stack {...subComponentStackProps}>
         {this.isFreeTierAccount() && (

src/Explorer/Controls/Settings/SettingsSubComponents/SubSettingsComponent.tsx

@@ -72,11 +72,11 @@ export class SubSettingsComponent extends React.Component<SubSettingsComponentPr
     this.partitionKeyName = userContext.apiType === "Mongo" ? "Shard key" : "Partition key";
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     this.onComponentUpdate();
   }
 
-  componentDidUpdate(): void {
+public override componentDidUpdate(): void {
     this.onComponentUpdate();
   }
 
@@ -323,7 +323,7 @@ export class SubSettingsComponent extends React.Component<SubSettingsComponentPr
 
   public isLargePartitionKeyEnabled = (): boolean => this.props.collection.partitionKey?.version >= 2;
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <Stack {...subComponentStackProps}>
         {userContext.apiType !== "Cassandra" && this.getTtlComponent()}

src/Explorer/Controls/Settings/SettingsSubComponents/ThroughputInputComponents/ThroughputInputAutoPilotV3Component.tsx

@@ -96,11 +96,11 @@ export class ThroughputInputAutoPilotV3Component extends React.Component<
     { key: "false", text: "Manual" },
   ];
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     this.onComponentUpdate();
   }
 
-  componentDidUpdate(): void {
+public override componentDidUpdate(): void {
     this.onComponentUpdate();
   }
 
@@ -627,7 +627,7 @@ export class ThroughputInputAutoPilotV3Component extends React.Component<
     );
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <Stack {...checkBoxAndInputStackProps}>
         {this.renderWarningMessage()}

src/Explorer/Controls/Settings/SettingsSubComponents/ToolTipLabelComponent.tsx

@@ -10,7 +10,7 @@ export interface ToolTipLabelComponentProps {
 const iconButtonStyles: Partial<IIconStyles> = { root: { marginBottom: -3 } };
 
 export class ToolTipLabelComponent extends React.Component<ToolTipLabelComponentProps> {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <>
         <Stack horizontal verticalAlign="center" tokens={toolTipLabelStackTokens}>

src/Explorer/Controls/SmartUi/SmartUiComponent.tsx

@@ -115,7 +115,7 @@ export class SmartUiComponent extends React.Component<SmartUiComponentProps, Sma
     fontSize: 12,
   };
 
-  componentDidUpdate(): void {
+public override componentDidUpdate(): void {
     if (!this.shouldCheckErrors) {
       this.shouldCheckErrors = true;
       return;
@@ -407,7 +407,7 @@ export class SmartUiComponent extends React.Component<SmartUiComponentProps, Sma
     );
   }
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     return this.renderNode(this.props.descriptor.root);
   }
 }

src/Explorer/Controls/Tabs/TabComponent.tsx

@@ -68,7 +68,7 @@ export class TabComponent extends React.Component<TabComponentProps> {
     });
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const currentTabContent = this.props.tabs[this.props.currentTabIndex].content;
     let className = "tabComponentContent";
     if (currentTabContent.className) {

src/Explorer/Controls/ThroughputInput/ThroughputInput.tsx

@@ -38,7 +38,7 @@ export class ThroughputInput extends React.Component<ThroughputInputProps, Throu
     this.props.setIsAutoscale(true);
   }
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     return (
       <div className="throughputInputContainer throughputInputSpacing">
         <Stack horizontal>

src/Explorer/Controls/TreeComponent/TreeComponent.tsx

@@ -56,7 +56,7 @@ export interface TreeComponentProps {
 }
 
 export class TreeComponent extends React.Component<TreeComponentProps> {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div style={this.props.style} className={`treeComponent ${this.props.className}`}>
         <TreeNodeComponent paddingLeft={0} node={this.props.rootNode} generation={0} />
@@ -93,7 +93,7 @@ export class TreeNodeComponent extends React.Component<TreeNodeComponentProps, T
     };
   }
 
-  componentDidUpdate(prevProps: TreeNodeComponentProps, prevState: TreeNodeComponentState) {
+public override componentDidUpdate(prevProps: TreeNodeComponentProps, prevState: TreeNodeComponentState) {
     // Only call when expand has actually changed
     if (this.state.isExpanded !== prevState.isExpanded) {
       if (this.state.isExpanded) {
@@ -110,7 +110,7 @@ export class TreeNodeComponent extends React.Component<TreeNodeComponentProps, T
     }
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return this.renderNode(this.props.node, this.props.generation);
   }
 

src/Explorer/Graph/GraphExplorerComponent/EditorNeighborsComponent.tsx

@@ -34,7 +34,7 @@ export class EditorNeighborsComponent extends React.Component<EditorNeighborsCom
     this.addNewEdgeToNeighbor = this.props.isSource ? this.addNewEdgeToSource : this.addNewEdgeToTarget;
   }
 
-  public componentDidMount(): void {
+  public override componentDidMount(): void {
     // Show empty text boxes by default if no neighbor for convenience
     if (this.props.editedNeighbors.currentNeighbors.length === 0) {
       if (this.props.isSource) {
@@ -45,7 +45,7 @@ export class EditorNeighborsComponent extends React.Component<EditorNeighborsCom
     }
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const neighborTitle = this.props.isSource
       ? EditorNeighborsComponent.SOURCE_TITLE
       : EditorNeighborsComponent.TARGET_TITLE;

src/Explorer/Graph/GraphExplorerComponent/EditorNodePropertiesComponent.tsx

@@ -20,7 +20,7 @@ export class EditorNodePropertiesComponent extends React.Component<EditorNodePro
   public static readonly VERTEX_PROPERTY_TYPES = ["string", "number", "boolean" /* 'null' */]; // TODO Enable null when fully supported by backend
   private static readonly DEFAULT_PROPERTY_TYPE = "string";
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <table className="propertyTable">
         <tbody>

src/Explorer/Graph/GraphExplorerComponent/GraphExplorer.tsx

@@ -965,7 +965,7 @@ export class GraphExplorer extends React.Component<GraphExplorerProps, GraphExpl
   }
 
   /* ************* React life-cycle methods *********** */
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const currentTabIndex = ((resultDisplay: ResultDisplay): number => {
       switch (resultDisplay) {
         case ResultDisplay.Graph:
@@ -1022,10 +1022,10 @@ export class GraphExplorer extends React.Component<GraphExplorerProps, GraphExpl
     );
   }
 
-  public componentWillUnmount(): void {
+  public override componentWillUnmount(): void {
     this.gremlinClient.destroy();
   }
-  public componentDidMount(): void {
+  public override componentDidMount(): void {
     if (this.props.onLoadStartKey != null && this.props.onLoadStartKey != undefined) {
       TelemetryProcessor.traceSuccess(
         Action.Tab,
@@ -1069,7 +1069,7 @@ export class GraphExplorer extends React.Component<GraphExplorerProps, GraphExpl
     }
   }
 
-  public componentDidUpdate(): void {
+  public override componentDidUpdate(): void {
     this.onIsPropertyPaneEditing(this.isPropertyPaneEditing());
     this.onIsNewVertexDisabledChange(this.isNewVertexDisabled());
   }

src/Explorer/Graph/GraphExplorerComponent/GraphVizComponent.tsx

@@ -18,20 +18,20 @@ export class GraphVizComponent extends React.Component<GraphVizComponentProps> {
     this.forceGraph = new D3ForceGraph(this.props.forceGraphParams);
   }
 
-  public componentDidMount(): void {
+  public override componentDidMount(): void {
     this.forceGraph.init(this.rootNode);
   }
 
-  public shouldComponentUpdate(): boolean {
+  public override shouldComponentUpdate(): boolean {
     // Prevents component re-rendering
     return false;
   }
 
-  public componentWillUnmount(): void {
+  public override componentWillUnmount(): void {
     this.forceGraph.destroy();
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <svg id="maingraph" ref={(elt: Element) => this.setRef(elt)}>
         <title>Main Graph</title>

src/Explorer/Graph/GraphExplorerComponent/LeftPaneComponent.tsx

@@ -18,7 +18,7 @@ interface LeftPaneComponentProps {
 }
 
 export class LeftPaneComponent extends React.Component<LeftPaneComponentProps> {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className="leftPane">
         <div className="paneTitle leftPaneResults">Results</div>

src/Explorer/Graph/GraphExplorerComponent/MiddlePaneComponent.tsx

@@ -12,7 +12,7 @@ interface MiddlePaneComponentProps {
 }
 
 export class MiddlePaneComponent extends React.Component<MiddlePaneComponentProps> {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className="middlePane">
         <div className="graphTitle">

src/Explorer/Graph/GraphExplorerComponent/NodePropertiesComponent.tsx

@@ -104,7 +104,7 @@ export class NodePropertiesComponent extends React.Component<
     return null;
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     if (!this.props.node) {
       return <span />;
     } else {

src/Explorer/Graph/GraphExplorerComponent/QueryContainerComponent.tsx

@@ -25,7 +25,7 @@ export class QueryContainerComponent extends React.Component<
     };
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className="queryContainer">
         <InputTypeaheadComponent.InputTypeaheadComponent

src/Explorer/Graph/GraphExplorerComponent/ReadOnlyNeighborsComponent.tsx

@@ -20,7 +20,7 @@ export class ReadOnlyNeighborsComponent extends React.Component<ReadOnlyNeighbor
   private static readonly NO_TARGETS_LABEL = "No targets found";
   private static readonly TARGET_TITLE = "Target";
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const neighbors = this.props.isSource ? this.props.node.sources : this.props.node.targets;
     const noNeighborsLabel = this.props.isSource
       ? ReadOnlyNeighborsComponent.NO_SOURCES_LABEL

src/Explorer/Graph/GraphExplorerComponent/ReadOnlyNodePropertiesComponent.tsx

@@ -12,7 +12,7 @@ export interface ReadOnlyNodePropertiesComponentProps {
 }
 
 export class ReadOnlyNodePropertiesComponent extends React.Component<ReadOnlyNodePropertiesComponentProps> {
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <table className="roPropertyTable propertyTable">
         <tbody>

src/Explorer/Menus/CommandBar/MemoryTrackerComponent.tsx

@@ -10,17 +10,17 @@ interface MemoryTrackerProps {
 export class MemoryTrackerComponent extends React.Component<MemoryTrackerProps> {
   private memoryUsageInfoSubscription: Subscription;
 
-  public componentDidMount(): void {
+  public override componentDidMount(): void {
     this.memoryUsageInfoSubscription = this.props.memoryUsageInfo.subscribe(() => {
       this.forceUpdate();
     });
   }
 
-  public componentWillUnmount(): void {
+  public override componentWillUnmount(): void {
     this.memoryUsageInfoSubscription && this.memoryUsageInfoSubscription.dispose();
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const memoryUsageInfo: MemoryUsageInfo = this.props.memoryUsageInfo();
     if (!memoryUsageInfo) {
       return (

src/Explorer/Menus/NavBar/ControlBarComponent.tsx

@@ -23,7 +23,7 @@ export class ControlBarComponent extends React.Component<ControlBarComponentProp
     );
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     if (!this.props.buttons || this.props.buttons.length < 1) {
       return <React.Fragment />;
     }

src/Explorer/Menus/NotificationConsole/NotificationConsoleComponent.tsx

@@ -74,7 +74,7 @@ export class NotificationConsoleComponent extends React.Component<
     this.prevHeaderStatus = undefined;
   }
 
-  public componentDidUpdate(
+  public override componentDidUpdate(
     prevProps: NotificationConsoleComponentProps,
     prevState: NotificationConsoleComponentState
   ): void {
@@ -102,7 +102,7 @@ export class NotificationConsoleComponent extends React.Component<
     this.consoleHeaderElement = element;
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const numInProgress = this.state.allConsoleData.filter(
       (data: ConsoleData) => data.type === ConsoleDataType.InProgress
     ).length;

src/Explorer/Notebook/NotebookComponent/NotebookComponent.tsx

@@ -6,11 +6,11 @@ import { default as Contents } from "./contents";
 export class NotebookComponent extends React.Component<{ contentRef: ContentRef }> {
   notificationSystem!: ReactNotificationSystem;
 
-  shouldComponentUpdate(nextProps: { contentRef: ContentRef }): boolean {
+public override shouldComponentUpdate(nextProps: { contentRef: ContentRef }): boolean {
     return nextProps.contentRef !== this.props.contentRef;
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     return (
       <div className="notebookComponentContainer">
         <Contents contentRef={this.props.contentRef} />

src/Explorer/Notebook/NotebookComponent/NotebookComponentAdapter.tsx

@@ -53,7 +53,7 @@ export class NotebookComponentAdapter extends NotebookComponentBootstrapper impl
     };
   }
 
-  protected renderExtraComponent = (): JSX.Element => {
+  protected override renderExtraComponent = (): JSX.Element => {
     return <VirtualCommandBarComponent contentRef={this.contentRef} onRender={this.onUpdateKernelInfo} />;
   };
 }

src/Explorer/Notebook/NotebookComponent/VirtualCommandBarComponent.tsx

@@ -16,7 +16,7 @@ class VirtualCommandBarComponent extends React.Component<VirtualCommandBarCompon
     this.state = {};
   }
 
-  shouldComponentUpdate(nextProps: VirtualCommandBarComponentProps): boolean {
+public override shouldComponentUpdate(nextProps: VirtualCommandBarComponentProps): boolean {
     return (
       this.props.kernelStatus !== nextProps.kernelStatus ||
       this.props.kernelSpecName !== nextProps.kernelSpecName ||
@@ -24,7 +24,7 @@ class VirtualCommandBarComponent extends React.Component<VirtualCommandBarCompon
     );
   }
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     this.props.onRender && this.props.onRender();
     return <></>;
   }

src/Explorer/Notebook/NotebookComponent/contents/file/index.tsx

@@ -55,7 +55,7 @@ export class File extends React.PureComponent<FileProps> {
     return choice;
   };
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     const choice = this.getChoice();
 
     // Right now we only handle one kind of editor

src/Explorer/Notebook/NotebookComponent/contents/file/text-file.tsx

@@ -35,7 +35,7 @@ interface TextFileState {
 }
 
 class EditorPlaceholder extends React.PureComponent<MonacoEditorProps> {
-  render(): JSX.Element {
+public override render(): JSX.Element {
     // TODO: Show a little blocky placeholder
     return null;
   }
@@ -53,13 +53,13 @@ export class TextFile extends React.PureComponent<TextFileProps, TextFileState>
     this.props.handleChange(source);
   };
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     import(/* webpackChunkName: "monaco-editor" */ "@nteract/monaco-editor").then((module) => {
       this.setState({ Editor: module.default });
     });
   }
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     const Editor = this.state.Editor;
 
     return (

src/Explorer/Notebook/NotebookComponent/contents/index.tsx

@@ -54,7 +54,7 @@ class Contents extends React.PureComponent<ContentsProps> {
     SAVE: ["ctrl+s", "ctrl+shift+s", "meta+s", "meta+shift+s"],
   };
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     const { contentRef, handlers } = this.props;
 
     if (!contentRef) {

src/Explorer/Notebook/NotebookRenderer/NotebookReadOnlyRenderer.tsx

@@ -25,7 +25,7 @@ export interface NotebookRendererProps {
  * This is the class that uses nteract to render a read-only notebook.
  */
 class NotebookReadOnlyRenderer extends React.Component<NotebookRendererProps> {
-  componentDidMount() {
+public override componentDidMount() {
     if (!userContext.features.sandboxNotebookOutputs) {
       loadTransform(this.props as any);
     }
@@ -54,7 +54,7 @@ class NotebookReadOnlyRenderer extends React.Component<NotebookRendererProps> {
     );
   }
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     return (
       <div className="NotebookReadOnlyRender">
         <Cells contentRef={this.props.contentRef}>

src/Explorer/Notebook/NotebookRenderer/NotebookRenderer.tsx

@@ -68,22 +68,22 @@ class BaseNotebookRenderer extends React.Component<NotebookRendererProps> {
     };
   }
 
-  componentDidMount() {
+public override componentDidMount() {
     if (!userContext.features.sandboxNotebookOutputs) {
       loadTransform(this.props as any);
     }
     this.props.updateNotebookParentDomElt(this.props.contentRef, this.notebookRendererRef.current);
   }
 
-  componentDidUpdate() {
+public override componentDidUpdate() {
     this.props.updateNotebookParentDomElt(this.props.contentRef, this.notebookRendererRef.current);
   }
 
-  componentWillUnmount() {
+public override componentWillUnmount() {
     this.props.updateNotebookParentDomElt(this.props.contentRef, undefined);
   }
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     return (
       <>
         <div className="NotebookRendererContainer">

src/Explorer/Notebook/NotebookRenderer/Prompt.tsx

@@ -36,7 +36,7 @@ interface DispatchProps {
 type Props = StateProps & DispatchProps & ComponentProps;
 
 export class PromptPure extends React.Component<Props> {
-  render() {
+public override render() {
     return (
       <div className="nteract-cell-prompt">
         {this.props.children({

src/Explorer/Notebook/NotebookRenderer/StatusBar.tsx

@@ -45,14 +45,14 @@ const BarContainer = styled.div`
 `;
 
 export class StatusBar extends React.Component<Props> {
-  shouldComponentUpdate(nextProps: Props): boolean {
+public override shouldComponentUpdate(nextProps: Props): boolean {
     if (this.props.lastSaved !== nextProps.lastSaved || this.props.kernelStatus !== nextProps.kernelStatus) {
       return true;
     }
     return false;
   }
 
-  render() {
+public override render() {
     const name = this.props.kernelSpecDisplayName || "Loading...";
 
     return (

src/Explorer/Notebook/NotebookRenderer/Toolbar.tsx

@@ -37,7 +37,7 @@ interface StateProps {
 class BaseToolbar extends React.PureComponent<ComponentProps & DispatchProps & StateProps> {
   static contextType = CellToolbarContext;
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     let items: IContextualMenuItem[] = [];
 
     if (this.props.cellType === "code") {

src/Explorer/Notebook/NotebookRenderer/decorators/CellCreator.tsx

@@ -132,7 +132,7 @@ export class PureCellCreator extends React.PureComponent<CellCreatorProps> {
     this.props.createCell("code", this.props.above);
   };
 
-  render() {
+public override render() {
     return (
       <CreatorHoverMask>
         <CreatorHoverRegion>
@@ -171,7 +171,7 @@ class CellCreator extends React.PureComponent<ComponentProps & DispatchProps & S
       : createCellBelow({ cellType: type, id, source: "", contentRef });
   };
 
-  render() {
+public override render() {
     return (
       <React.Fragment>
         {this.props.isFirstCell && (

src/Explorer/Notebook/NotebookRenderer/decorators/CellLabeler.tsx

@@ -19,7 +19,7 @@ interface StateProps {
  * Displays "Cell <index>"
  */
 class CellLabeler extends React.Component<ComponentProps & StateProps> {
-  render() {
+public override render() {
     return (
       <div className="CellLabeler">
         <div className="CellLabel">Cell {this.props.cellIndex + 1}</div>

src/Explorer/Notebook/NotebookRenderer/decorators/HoverableCell.tsx

@@ -20,7 +20,7 @@ interface DispatchProps {
  * HoverableCell sets the hovered cell
  */
 class HoverableCell extends React.Component<ComponentProps & DispatchProps> {
-  render() {
+public override render() {
     return (
       <div className="HoverableCell" onMouseEnter={this.props.hover} onMouseLeave={this.props.unHover}>
         {this.props.children}

src/Explorer/Notebook/NotebookRenderer/decorators/draggable/index.tsx

@@ -173,11 +173,11 @@ function collectTarget(
 export class DraggableCellView extends React.Component<Props & DnDSourceProps & DnDTargetProps, State> {
   el?: HTMLDivElement | null;
 
-  state = {
+public override state = {
     hoverUpperHalf: true,
   };
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     const connectDragPreview = this.props.connectDragPreview;
     const img = new (window as any).Image();
 
@@ -193,7 +193,7 @@ export class DraggableCellView extends React.Component<Props & DnDSourceProps &
     focusCell({ id, contentRef });
   };
 
-  render() {
+public override render() {
     return this.props.connectDropTarget(
       // Sadly connectDropTarget _has_ to take a React element for a DOM element (no styled-divs)
       <div>

src/Explorer/Notebook/NotebookRenderer/decorators/hijack-scroll/index.tsx

@@ -47,15 +47,15 @@ export class HijackScroll extends React.Component<Props> {
     }
   }
 
-  componentDidUpdate(prevProps: Props) {
+public override componentDidUpdate(prevProps: Props) {
     this.scrollIntoViewIfNeeded(prevProps.focused);
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     this.scrollIntoViewIfNeeded();
   }
 
-  render() {
+public override render() {
     return (
       <div
         onClick={this.props.selectCell}

src/Explorer/Notebook/NotebookRenderer/decorators/kbd-shortcuts/index.tsx

@@ -31,18 +31,18 @@ export class KeyboardShortcuts extends React.Component<Props> {
     this.keyDown = this.keyDown.bind(this);
   }
 
-  shouldComponentUpdate(nextProps: Props) {
+public override shouldComponentUpdate(nextProps: Props) {
     const newContentRef = this.props.contentRef !== nextProps.contentRef;
     const newFocusedCell = this.props.focusedCell !== nextProps.focusedCell;
     const newCellOrder = this.props.cellOrder && this.props.cellOrder.size !== nextProps.cellOrder.size;
     return newContentRef || newFocusedCell || newCellOrder;
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     document.addEventListener("keydown", this.keyDown);
   }
 
-  componentWillUnmount(): void {
+public override componentWillUnmount(): void {
     document.removeEventListener("keydown", this.keyDown);
   }
 
@@ -102,7 +102,7 @@ export class KeyboardShortcuts extends React.Component<Props> {
     }
   }
 
-  render() {
+public override render() {
     return <React.Fragment>{this.props.children}</React.Fragment>;
   }
 }

src/Explorer/Notebook/NotebookRenderer/markdown-cell.tsx

@@ -54,7 +54,7 @@ export const Source = styled(BareSource)`
   width: -moz-available;
 `;
 export class PureMarkdownCell extends React.Component<ComponentProps & DispatchProps & StateProps> {
-  render() {
+public override render() {
     const { contentRef, id, cell, children } = this.props;
 
     const { isEditorFocused, isCellFocused, markdownOptions } = this.props;

src/Explorer/Notebook/NotebookRenderer/outputs/SandboxOutputs.tsx

@@ -33,7 +33,7 @@ interface DispatchProps {
 export class SandboxOutputs extends React.PureComponent<ComponentProps & StateProps & DispatchProps> {
   private childWindow: Window;
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     // Using min-width to set the width of the iFrame, works around an issue in iOS that can prevent the iFrame from sizing correctly.
     return (
       <IframeResizer
@@ -72,11 +72,11 @@ export class SandboxOutputs extends React.PureComponent<ComponentProps & StatePr
     postRobot.send(this.childWindow, "props", props);
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     this.sendPropsToFrame();
   }
 
-  componentDidUpdate(): void {
+public override componentDidUpdate(): void {
     this.sendPropsToFrame();
   }
 }

src/Explorer/Notebook/SchemaAnalyzerComponent/SchemaAnalyzerComponent.tsx

@@ -46,7 +46,7 @@ export class SchemaAnalyzerComponent extends React.Component<
     };
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     loadTransform(this.props);
   }
 
@@ -78,7 +78,7 @@ export class SchemaAnalyzerComponent extends React.Component<
     this.props.runCell(this.props.contentRef, this.props.firstCellId);
   };
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     const { firstCellId: id, contentRef, kernelStatus, outputs } = this.props;
     if (!id) {
       return <></>;

src/Explorer/Notebook/SchemaAnalyzerComponent/SchemaAnalyzerComponentAdapter.tsx

@@ -71,7 +71,7 @@ export class SchemaAnalyzerComponentAdapter extends NotebookComponentBootstrappe
     }
   }
 
-  public renderComponent(): JSX.Element {
+  public override renderComponent(): JSX.Element {
     const props = {
       contentRef: this.contentRef,
       kernelRef: this.kernelRef,

src/Explorer/Panes/AddCollectionPane.ts

@@ -36,7 +36,7 @@ export default class AddCollectionPane extends ContextualPaneBase {
   public collectionWithThroughputInShared: ko.Observable<boolean>;
   public databaseCreateNewShared: ko.Observable<boolean>;
   public databaseHasSharedOffer: ko.Observable<boolean>;
-  public formErrorsDetails: ko.Observable<string>;
+  public override formErrorsDetails: ko.Observable<string>;
   public formWarnings: ko.Observable<string>;
   public partitionKey: ko.Observable<string>;
   public partitionKeyName: ko.Computed<string>;
@@ -658,7 +658,7 @@ export default class AddCollectionPane extends ContextualPaneBase {
     return true;
   };
 
-  public async open(databaseId?: string) {
+  public override async open(databaseId?: string) {
     super.open();
     // TODO: Figure out if a database level partition split is about to happen once shared throughput read is available
     this.formWarnings("");
@@ -752,7 +752,7 @@ export default class AddCollectionPane extends ContextualPaneBase {
     return this._getThroughput();
   }
 
-  public submit() {
+  public override submit() {
     if (!this.isValid()) {
       return;
     }
@@ -912,7 +912,7 @@ export default class AddCollectionPane extends ContextualPaneBase {
     );
   }
 
-  public resetData() {
+  public override resetData() {
     this.collectionId("");
     this.databaseId("");
     this.partitionKey("");

src/Explorer/Panes/AddCollectionPanel.tsx

@@ -91,7 +91,7 @@ export class AddCollectionPanel extends React.Component<AddCollectionPanelProps,
     };
   }
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     return (
       <form className="panelFormWrapper" onSubmit={this.submit.bind(this)}>
         {this.state.errorMessage && (

src/Explorer/Panes/AddDatabasePane.ts

@@ -23,7 +23,7 @@ export default class AddDatabasePane extends ContextualPaneBase {
   public databaseIdTooltipText: ko.Computed<string>;
   public databaseLevelThroughputTooltipText: ko.Computed<string>;
   public databaseCreateNewShared: ko.Observable<boolean>;
-  public formErrorsDetails: ko.Observable<string>;
+  public override formErrorsDetails: ko.Observable<string>;
   public throughput: ViewModels.Editable<number>;
   public maxThroughputRU: ko.Observable<number>;
   public minThroughputRU: ko.Observable<number>;
@@ -255,7 +255,7 @@ export default class AddDatabasePane extends ContextualPaneBase {
     return true;
   };
 
-  public open() {
+  public override open() {
     super.open();
     this.resetData();
     const addDatabasePaneOpenMessage = {
@@ -272,7 +272,7 @@ export default class AddDatabasePane extends ContextualPaneBase {
     TelemetryProcessor.trace(Action.CreateDatabase, ActionModifiers.Open, addDatabasePaneOpenMessage);
   }
 
-  public submit() {
+  public override submit() {
     if (!this._isValid()) {
       return;
     }
@@ -317,7 +317,7 @@ export default class AddDatabasePane extends ContextualPaneBase {
     );
   }
 
-  public resetData() {
+  public override resetData() {
     this.databaseId("");
     this.databaseCreateNewShared(this.getSharedThroughputDefault());
     this.isAutoPilotSelected(this.container.isAutoscaleDefaultEnabled());

src/Explorer/Panes/CassandraAddCollectionPane.ts

@@ -279,7 +279,7 @@ export default class CassandraAddCollectionPane extends ContextualPaneBase {
     }
   }
 
-  public open() {
+  public override open() {
     super.open();
     if (!this.container.isServerlessEnabled()) {
       this.isAutoPilotSelected(this.container.isAutoscaleDefaultEnabled());
@@ -306,7 +306,7 @@ export default class CassandraAddCollectionPane extends ContextualPaneBase {
     TelemetryProcessor.trace(Action.CreateCollection, ActionModifiers.Open, addCollectionPaneOpenMessage);
   }
 
-  public submit() {
+  public override submit() {
     if (!this._isValid()) {
       return;
     }
@@ -436,7 +436,7 @@ export default class CassandraAddCollectionPane extends ContextualPaneBase {
     );
   }
 
-  public resetData() {
+  public override resetData() {
     super.resetData();
     const throughputDefaults = this.container.collectionCreationDefaults.throughput;
     this.isAutoPilotSelected(this.container.isAutoscaleDefaultEnabled());

src/Explorer/Panes/GitHubReposPanel/GitHubReposPanel.tsx

@@ -98,7 +98,7 @@ export class GitHubReposPanel extends React.Component<IGitHubReposPanelProps, IG
     this.junoClient = this.props.junoClientProp;
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     this.open();
   }
 
@@ -431,7 +431,7 @@ export class GitHubReposPanel extends React.Component<IGitHubReposPanelProps, IG
     this.props.explorer.notebookManager?.gitHubOAuthService.startOAuth(scope);
   }
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     return (
       <form className="panelFormWrapper">
         {this.state.errorMessage && (

src/Explorer/Panes/GraphStylingPane.ts

@@ -61,7 +61,7 @@ export default class GraphStylingPane extends ContextualPaneBase {
     this.remoteConfig = config;
   }
 
-  public close() {
+  public override close() {
     this.remoteConfig = null;
     super.close();
   }

src/Explorer/Panes/PanelContainerComponent.tsx

@@ -27,15 +27,15 @@ export class PanelContainerComponent extends React.Component<PanelContainerProps
     };
   }
 
-  componentDidMount(): void {
+public override componentDidMount(): void {
     window.addEventListener("resize", () => this.setState({ height: this.getPanelHeight() }));
   }
 
-  componentWillUnmount(): void {
+public override componentWillUnmount(): void {
     window.removeEventListener("resize", () => this.setState({ height: this.getPanelHeight() }));
   }
 
-  render(): JSX.Element {
+public override render(): JSX.Element {
     if (!this.props.panelContent) {
       return <></>;
     }

src/Explorer/Panes/Tables/Validators/EntityPropertyValueValidator.ts

@@ -51,7 +51,7 @@ class KeyValidator implements ValueValidator {
 class BooleanValueValidator extends ValueValidator {
   private detailedHelp = "Enter true or false."; // localize
 
-  public validate(value: string): IValidationResult {
+  public override validate(value: string): IValidationResult {
     var success: boolean = false;
     var help: string = noHelp;
 
@@ -66,7 +66,7 @@ class BooleanValueValidator extends ValueValidator {
     return { isInvalid: !success, help: help };
   }
 
-  public parseValue(value: string): boolean {
+  public override parseValue(value: string): boolean {
     // OData seems to require lowercase boolean values, see http://www.odata.org/documentation/odata-version-2-0/overview/
     return value.toString().toLowerCase() === "true";
   }
@@ -75,7 +75,7 @@ class BooleanValueValidator extends ValueValidator {
 class DateTimeValueValidator extends ValueValidator {
   private detailedHelp = "Enter a date and time."; // localize
 
-  public validate(value: string): IValidationResult {
+  public override validate(value: string): IValidationResult {
     var success: boolean = false;
     var help: string = noHelp;
 
@@ -93,7 +93,7 @@ class DateTimeValueValidator extends ValueValidator {
     return { isInvalid: !success, help: help };
   }
 
-  public parseValue(value: string): Date {
+  public override parseValue(value: string): Date {
     var millisecondTime = Date.parse(value);
     var parsed: Date = new Date(millisecondTime);
 
@@ -104,7 +104,7 @@ class DateTimeValueValidator extends ValueValidator {
 class DoubleValueValidator extends ValueValidator {
   private detailedHelp = "Enter a 64-bit floating point value."; // localize
 
-  public validate(value: string): IValidationResult {
+  public override validate(value: string): IValidationResult {
     var success: boolean = false;
     var help: string = noHelp;
 
@@ -119,7 +119,7 @@ class DoubleValueValidator extends ValueValidator {
     return { isInvalid: !success, help: help };
   }
 
-  public parseValue(value: string): number {
+  public override parseValue(value: string): number {
     return parseFloat(value);
   }
 }
@@ -127,7 +127,7 @@ class DoubleValueValidator extends ValueValidator {
 class GuidValueValidator extends ValueValidator {
   private detailedHelp = "Enter a 16-byte (128-bit) GUID value."; // localize
 
-  public validate(value: string): IValidationResult {
+  public override validate(value: string): IValidationResult {
     var success: boolean = false;
     var help: string = noHelp;
 
@@ -155,7 +155,7 @@ class IntegerValueValidator extends ValueValidator {
     this.isInt64 = isInt64;
   }
 
-  public validate(value: string): IValidationResult {
+  public override validate(value: string): IValidationResult {
     var success: boolean = false;
     var help: string = noHelp;
 
@@ -180,7 +180,7 @@ class IntegerValueValidator extends ValueValidator {
     return { isInvalid: !success, help: help };
   }
 
-  public parseValue(value: string): number {
+  public override parseValue(value: string): number {
     return parseInt(value, 10);
   }
 }
@@ -198,7 +198,7 @@ class StringValidator extends ValueValidator {
     this.isRequired = isRequired;
   }
 
-  public validate(value: string): IValidationResult {
+  public override validate(value: string): IValidationResult {
     var help: string = this.isRequired ? this.isRequiredHelp : this.detailedHelp;
     if (value === null) {
       return { isInvalid: false, help: help };
@@ -219,7 +219,7 @@ class StringValidator extends ValueValidator {
     return { isInvalid: !success, help: help };
   }
 
-  public parseValue(value: string): string {
+  public override parseValue(value: string): string {
     return String(value); // Ensure value is converted to string.
   }
 }
@@ -233,12 +233,12 @@ class NotSupportedValidator extends ValueValidator {
     this.type = type;
   }
 
-  public validate(ignoredValue: string): IValidationResult {
+  public override validate(ignoredValue: string): IValidationResult {
     //throw new Errors.NotSupportedError(this.getMessage());
     return null;
   }
 
-  public parseValue(ignoredValue: string): any {
+  public override parseValue(ignoredValue: string): any {
     //throw new Errors.NotSupportedError(this.getMessage());
     return null;
   }

src/Explorer/SplashScreen/SplashScreen.tsx

@@ -50,13 +50,13 @@ export class SplashScreen extends React.Component<SplashScreenProps> {
     this.subscriptions = [];
   }
 
-  public componentWillUnmount() {
+  public override componentWillUnmount() {
     while (this.subscriptions.length) {
       this.subscriptions.pop().dispose();
     }
   }
 
-  public componentDidMount() {
+  public override componentDidMount() {
     this.subscriptions.push(
       this.container.selectedNode.subscribe(() => this.setState({})),
       this.container.isNotebookEnabled.subscribe(() => this.setState({}))
@@ -68,7 +68,7 @@ export class SplashScreen extends React.Component<SplashScreenProps> {
     this.setState({});
   };
 
-  public render(): JSX.Element {
+  public override render(): JSX.Element {
     const mainItems = this.createMainItems();
     const commonTaskItems = this.createCommonTaskItems();
     const recentItems = this.createRecentItems();

src/Explorer/Tables/DataTable/TableEntityListViewModel.ts

@@ -107,7 +107,7 @@ export default class TableEntityListViewModel extends DataTableViewModel {
   public cqlQuery: ko.Observable<string>;
   public oDataQuery: ko.Observable<string>;
   public sqlQuery: ko.Observable<string>;
-  public cache: TableEntityCache;
+  public override cache: TableEntityCache;
   public isCancelled: boolean = false;
   public queryErrorMessage: ko.Observable<string>;
   public id: string;
@@ -386,7 +386,7 @@ export default class TableEntityListViewModel extends DataTableViewModel {
   /**
    * @override
    */
-  protected matchesKeys(item: Entities.ITableEntity, itemKeys: Entities.IProperty[]): boolean {
+  protected override matchesKeys(item: Entities.ITableEntity, itemKeys: Entities.IProperty[]): boolean {
     return itemKeys.every((property: Entities.IProperty) => {
       return this.stringCompare(item[property.key]._, property.value);
     });

src/Explorer/Tabs/ConflictsTab.ts

@@ -415,12 +415,12 @@ export default class ConflictsTab extends TabsBase {
     return Q();
   }
 
-  public onTabClick(): void {
+  public override onTabClick(): void {
     super.onTabClick();
     this.collection && this.collection.selectedSubnodeKind(ViewModels.CollectionTabKind.Conflicts);
   }
 
-  public async onActivate(): Promise<void> {
+  public override async onActivate(): Promise<void> {
     super.onActivate();
 
     if (!this._documentsIterator) {
@@ -587,7 +587,7 @@ export default class ConflictsTab extends TabsBase {
     return Q();
   }
 
-  protected getTabsButtons(): CommandButtonComponentProps[] {
+  protected override getTabsButtons(): CommandButtonComponentProps[] {
     const buttons: CommandButtonComponentProps[] = [];
     const label = this._acceptButtonLabel();
     if (this.acceptChangesButton.visible()) {

src/Explorer/Tabs/DocumentsTab.ts

@@ -583,12 +583,12 @@ export default class DocumentsTab extends TabsBase {
     return Q();
   }
 
-  public onTabClick(): void {
+  public override onTabClick(): void {
     super.onTabClick();
     this.collection && this.collection.selectedSubnodeKind(ViewModels.CollectionTabKind.Documents);
   }
 
-  public async onActivate(): Promise<void> {
+  public async override onActivate(): Promise<void> {
     super.onActivate();
 
     if (!this._documentsIterator) {
@@ -788,7 +788,7 @@ export default class DocumentsTab extends TabsBase {
     return QueryUtils.buildDocumentsQuery(filter, this.partitionKeyProperty, this.partitionKey);
   }
 
-  protected getTabsButtons(): CommandButtonComponentProps[] {
+  protected override getTabsButtons(): CommandButtonComponentProps[] {
     const buttons: CommandButtonComponentProps[] = [];
     const label = !this.isPreferredApiMongoDB ? "New Item" : "New Document";
     if (this.newDocumentButton.visible()) {

src/Explorer/Tabs/GalleryTab.tsx

@@ -27,7 +27,7 @@ export default class GalleryTab extends TabsBase {
     return <GalleryViewer {...this.props} sortBy={SortBy.MostRecent} searchText={undefined} />;
   }
 
-  public getContainer(): Explorer {
+  public override getContainer(): Explorer {
     return this.props.container;
   }
 }

src/Explorer/Tabs/GraphTab.tsx

@@ -126,7 +126,7 @@ export default class GraphTab extends TabsBase {
     );
   }
 
-  public onTabClick(): void {
+  public override onTabClick(): void {
     super.onTabClick();
     this.collection.selectedSubnodeKind(ViewModels.CollectionTabKind.Graph);
   }
@@ -226,7 +226,7 @@ export default class GraphTab extends TabsBase {
       this.graphConfigUiData.nodeIconChoice(this.graphConfigUiData.nodePropertiesWithNone()[0]);
     }
   }
-  protected getTabsButtons(): CommandButtonComponentProps[] {
+  protected override getTabsButtons(): CommandButtonComponentProps[] {
     const label = "New Vertex";
     const buttons: CommandButtonComponentProps[] = [
       {

src/Explorer/Tabs/MongoDocumentsTab.ts

@@ -21,7 +21,7 @@ import ObjectId from "../Tree/ObjectId";
 import DocumentsTab from "./DocumentsTab";
 
 export default class MongoDocumentsTab extends DocumentsTab {
-  public collection: ViewModels.Collection;
+  public override collection: ViewModels.Collection;
   private continuationToken: string;
 
   constructor(options: ViewModels.DocumentsTabOptions) {
@@ -43,7 +43,7 @@ export default class MongoDocumentsTab extends DocumentsTab {
     super.buildCommandBarOptions();
   }
 
-  public onSaveNewDocumentClick = (): Promise<any> => {
+  public override onSaveNewDocumentClick = (): Promise<any> => {
     const documentContent = JSON.parse(this.selectedDocumentContent());
     this.displayedError("");
     const startKey: number = TelemetryProcessor.traceStart(Action.CreateDocument, {
@@ -127,7 +127,7 @@ export default class MongoDocumentsTab extends DocumentsTab {
       .finally(() => this.isExecuting(false));
   };
 
-  public onSaveExisitingDocumentClick = (): Promise<any> => {
+  public override onSaveExisitingDocumentClick = (): Promise<any> => {
     const selectedDocumentId = this.selectedDocumentId();
     const documentContent = this.selectedDocumentContent();
     this.isExecutionError(false);
@@ -185,17 +185,17 @@ export default class MongoDocumentsTab extends DocumentsTab {
       .finally(() => this.isExecuting(false));
   };
 
-  public buildQuery(filter: string): string {
+  public override buildQuery(filter: string): string {
     return filter || "{}";
   }
 
-  public async selectDocument(documentId: DocumentId): Promise<void> {
+  public override async selectDocument(documentId: DocumentId): Promise<void> {
     this.selectedDocumentId(documentId);
     const content = await readDocument(this.collection.databaseId, this.collection, documentId);
     this.initDocumentEditor(documentId, content);
   }
 
-  public loadNextPage(): Q.Promise<any> {
+  public override loadNextPage(): Q.Promise<any> {
     this.isExecuting(true);
     this.isExecutionError(false);
     const filter: string = this.filterContent().trim();
@@ -264,7 +264,7 @@ export default class MongoDocumentsTab extends DocumentsTab {
       .finally(() => this.isExecuting(false));
   }
 
-  protected _onEditorContentChange(newContent: string) {
+  protected override _onEditorContentChange(newContent: string) {
     try {
       if (
         this.editorState() === ViewModels.DocumentExplorerState.newDocumentValid ||
@@ -281,7 +281,7 @@ export default class MongoDocumentsTab extends DocumentsTab {
   }
 
   /** Renders a Javascript object to be displayed inside Monaco Editor */
-  protected renderObjectForEditor(value: any, replacer: any, space: string | number): string {
+  protected override renderObjectForEditor(value: any, replacer: any, space: string | number): string {
     return MongoUtility.tojson(value, null, false);
   }
 
@@ -310,7 +310,7 @@ export default class MongoDocumentsTab extends DocumentsTab {
     return partitionKey;
   }
 
-  protected __deleteDocument(documentId: DocumentId): Promise<void> {
+  protected override __deleteDocument(documentId: DocumentId): Promise<void> {
     return deleteDocument(this.collection.databaseId, this.collection, documentId);
   }
 }

src/Explorer/Tabs/MongoQueryTab.ts

@@ -7,7 +7,7 @@ import { queryIterator } from "../../Common/MongoProxyClient";
 import { MinimalQueryIterator } from "../../Common/IteratorUtilities";
 
 export default class MongoQueryTab extends QueryTab {
-  public collection: ViewModels.Collection;
+public override collection: ViewModels.Collection;
 
   constructor(options: ViewModels.QueryTabOptions) {
     options.queryText = ""; // override sql query editor content for now so we only display mongo related help items
@@ -16,11 +16,11 @@ export default class MongoQueryTab extends QueryTab {
     this.monacoSettings = new ViewModels.MonacoEditorSettings("plaintext", false);
   }
   /** Renders a Javascript object to be displayed inside Monaco Editor */
-  protected renderObjectForEditor(value: any, replacer: any, space: string | number): string {
+  protected override renderObjectForEditor(value: any, replacer: any, space: string | number): string {
     return MongoUtility.tojson(value, null, false);
   }
 
-  protected _initIterator(): Q.Promise<MinimalQueryIterator> {
+  protected override _initIterator(): Q.Promise<MinimalQueryIterator> {
     let options: any = {};
     options.enableCrossPartitionQuery = HeadersUtility.shouldEnableCrossPartitionKey();
     this._iterator = queryIterator(this.collection.databaseId, this.collection, this.sqlStatementToExecute());

src/Explorer/Tabs/MongoShellTab.ts

@@ -51,7 +51,7 @@ export default class MongoShellTab extends TabsBase {
     // }
   }
 
-  public onTabClick(): void {
+public override onTabClick(): void {
     super.onTabClick();
     this.collection.selectedSubnodeKind(ViewModels.CollectionTabKind.Documents);
   }

src/Explorer/Tabs/NotebookTabBase.ts

@@ -39,7 +39,7 @@ export default class NotebookTabBase extends TabsBase {
   /**
    * Override base behavior
    */
-  public getContainer(): Explorer {
+public override getContainer(): Explorer {
     return this.container;
   }
 

src/Explorer/Tabs/NotebookV2Tab.ts

@@ -62,7 +62,7 @@ export default class NotebookTabV2 extends NotebookTabBase {
       });
   }
 
-  public onCloseTabButtonClick(): Q.Promise<any> {
+public override onCloseTabButtonClick(): Q.Promise<any> {
     const cleanup = () => {
       this.notebookComponentAdapter.notebookShutdown();
       super.onCloseTabButtonClick();
@@ -92,7 +92,7 @@ export default class NotebookTabV2 extends NotebookTabBase {
     return await this.configureServiceEndpoints(this.notebookComponentAdapter.getCurrentKernelName());
   }
 
-  protected getTabsButtons(): CommandButtonComponentProps[] {
+public override getTabsButtons(): CommandButtonComponentProps[] {
     const availableKernels = NotebookTabV2.clientManager.getAvailableKernelSpecs();
 
     const saveLabel = "Save";

src/Explorer/Tabs/QueryTab.ts

@@ -41,7 +41,7 @@ export default class QueryTab extends TabsBase implements ViewModels.WaitsForTem
   public allResultsMetadata: ko.ObservableArray<ViewModels.QueryResultsMetadata>;
   public showingDocumentsDisplayText: ko.Observable<string>;
   public requestChargeDisplayText: ko.Observable<string>;
-  public isTemplateReady: ko.Observable<boolean>;
+  public override isTemplateReady: ko.Observable<boolean>;
   public splitterId: string;
   public splitter: Splitter;
   public isPreferredApiMongoDB: boolean;
@@ -165,7 +165,7 @@ export default class QueryTab extends TabsBase implements ViewModels.WaitsForTem
     this._buildCommandBarOptions();
   }
 
-  public onTabClick(): void {
+public override onTabClick(): void {
     super.onTabClick();
     this.collection && this.collection.selectedSubnodeKind(ViewModels.CollectionTabKind.Query);
   }
@@ -197,13 +197,13 @@ export default class QueryTab extends TabsBase implements ViewModels.WaitsForTem
     await this._executeQueryDocumentsPage(firstResultIndex + itemCount - 1);
   }
 
-  public onErrorDetailsClick = (src: any, event: MouseEvent): boolean => {
+public override onErrorDetailsClick = (src: any, event: MouseEvent): boolean => {
     this.collection && this.collection.container.expandConsole();
 
     return false;
   };
 
-  public onErrorDetailsKeyPress = (src: any, event: KeyboardEvent): boolean => {
+public override onErrorDetailsKeyPress = (src: any, event: KeyboardEvent): boolean => {
     if (event.keyCode === Constants.KeyCodes.Space || event.keyCode === Constants.KeyCodes.Enter) {
       this.onErrorDetailsClick(src, null);
       return false;
@@ -553,7 +553,7 @@ export default class QueryTab extends TabsBase implements ViewModels.WaitsForTem
     return csvData;
   }
 
-  protected getTabsButtons(): CommandButtonComponentProps[] {
+public override getTabsButtons(): CommandButtonComponentProps[] {
     const buttons: CommandButtonComponentProps[] = [];
     if (this.executeQueryButton.visible()) {
       const label = this._executeQueryButtonTitle();

src/Explorer/Tabs/QueryTablesTab.ts

@@ -20,7 +20,7 @@ import TabsBase from "./TabsBase";
 // Will act as table explorer class
 export default class QueryTablesTab extends TabsBase {
   public readonly html = template;
-  public collection: ViewModels.Collection;
+  public override collection: ViewModels.Collection;
   public tableEntityListViewModel = ko.observable<TableEntityListViewModel>();
   public queryViewModel = ko.observable<QueryViewModel>();
   public tableCommands: TableCommands;
@@ -160,7 +160,7 @@ export default class QueryTablesTab extends TabsBase {
     return null;
   };
 
-  public onActivate(): void {
+public override onActivate(): void {
     super.onActivate();
     const columns =
       !!this.tableEntityListViewModel() &&
@@ -172,7 +172,7 @@ export default class QueryTablesTab extends TabsBase {
     }
   }
 
-  protected getTabsButtons(): CommandButtonComponentProps[] {
+  protected override getTabsButtons(): CommandButtonComponentProps[] {
     const buttons: CommandButtonComponentProps[] = [];
     if (this.queryBuilderButton.visible()) {
       const label = userContext.apiType === "Cassandra" ? "CQL Query Builder" : "Query Builder";

src/Explorer/Tabs/ScriptTabBase.ts

@@ -31,7 +31,7 @@ export default abstract class ScriptTabBase extends TabsBase implements ViewMode
   public isNew: ko.Observable<boolean>;
   // TODO: Remove any. The SDK types for all the script.body are slightly incorrect which makes this REALLY hard to type correct.
   public resource: ko.Observable<any>;
-  public isTemplateReady: ko.Observable<boolean>;
+  public override isTemplateReady: ko.Observable<boolean>;
   protected _partitionKey: DataModels.PartitionKey;
 
   constructor(options: ViewModels.ScriptTabOption) {
@@ -186,7 +186,7 @@ export default abstract class ScriptTabBase extends TabsBase implements ViewMode
     this._setBaselines();
   }
 
-  public onTabClick(): void {
+  public override onTabClick(): void {
     super.onTabClick();
     if (this.isNew()) {
       this.collection.selectedSubnodeKind(this.tabKind);
@@ -215,7 +215,7 @@ export default abstract class ScriptTabBase extends TabsBase implements ViewMode
     return undefined;
   }
 
-  protected getTabsButtons(): CommandButtonComponentProps[] {
+  protected override getTabsButtons(): CommandButtonComponentProps[] {
     const buttons: CommandButtonComponentProps[] = [];
     const label = "Save";
     if (this.saveButton.visible()) {