azuredatastudio/src/vs/vscode.proposed.d.ts

/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the Source EULA. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

/**
 * This is the place for API experiments and proposals.
 * These API are NOT stable and subject to change. They are only available in the Insiders
 * distribution and CANNOT be used in published extensions.
 *
 * To test these API in local environment:
 * - Use Insiders release of VS Code.
 * - Add `"enableProposedApi": true` to your package.json.
 * - Copy this file to your project.
 */

declare module 'vscode' {

	//#region Joh - ExecutionContext
	// THIS is a deprecated proposal
	export enum ExtensionExecutionContext {
		Local = 1,
		Remote = 2
	}
	export interface ExtensionContext {
		executionContext: ExtensionExecutionContext;
	}
	//#endregion

	//#region Joh - call hierarchy

	export enum CallHierarchyDirection {
		CallsFrom = 1,
		CallsTo = 2,
	}

	export class CallHierarchyItem {
		kind: SymbolKind;
		name: string;
		detail?: string;
		uri: Uri;
		range: Range;
		selectionRange: Range;

		constructor(kind: SymbolKind, name: string, detail: string, uri: Uri, range: Range, selectionRange: Range);
	}

	export interface CallHierarchyItemProvider {

		/**
		 * Given a document and position compute a call hierarchy item. This is justed as
		 * anchor for call hierarchy and then `resolveCallHierarchyItem` is being called.
		 */
		provideCallHierarchyItem(
			document: TextDocument,
			position: Position,
			token: CancellationToken
		): ProviderResult<CallHierarchyItem>;

		/**
		 * Resolve a call hierarchy item, e.g. compute all calls from or to a function.
		 * The result is an array of item/location-tuples. The location in the returned tuples
		 * is always relative to the "caller" with the caller either being the provided item or
		 * the returned item.
		 *
		 * @param item A call hierarchy item previously returned from `provideCallHierarchyItem` or `resolveCallHierarchyItem`
		 * @param direction Resolve calls from a function or calls to a function
		 * @param token A cancellation token
		 */
		resolveCallHierarchyItem(
			item: CallHierarchyItem,
			direction: CallHierarchyDirection,
			token: CancellationToken
		): ProviderResult<[CallHierarchyItem, Location[]][]>;
	}

	export namespace languages {
		export function registerCallHierarchyProvider(selector: DocumentSelector, provider: CallHierarchyItemProvider): Disposable;
	}

	//#endregion


	//#region Alex - resolvers

	export interface RemoteAuthorityResolverContext {
		resolveAttempt: number;
	}

	export class ResolvedAuthority {
		readonly host: string;
		readonly port: number;

		constructor(host: string, port: number);
	}

	export interface ResolvedOptions {
		extensionHostEnv?: { [key: string]: string | null };
	}

	export type ResolverResult = ResolvedAuthority & ResolvedOptions;

	export class RemoteAuthorityResolverError extends Error {
		static NotAvailable(message?: string, handled?: boolean): RemoteAuthorityResolverError;
		static TemporarilyNotAvailable(message?: string): RemoteAuthorityResolverError;

		constructor(message?: string);
	}

	export interface RemoteAuthorityResolver {
		resolve(authority: string, context: RemoteAuthorityResolverContext): ResolverResult | Thenable<ResolverResult>;
	}

	export interface ResourceLabelFormatter {
		scheme: string;
		authority?: string;
		formatting: ResourceLabelFormatting;
	}

	export interface ResourceLabelFormatting {
		label: string; // myLabel:/${path}
		separator: '/' | '\\' | '';
		tildify?: boolean;
		normalizeDriveLetter?: boolean;
		workspaceSuffix?: string;
		authorityPrefix?: string;
	}

	export namespace workspace {
		export function registerRemoteAuthorityResolver(authorityPrefix: string, resolver: RemoteAuthorityResolver): Disposable;
		export function registerResourceLabelFormatter(formatter: ResourceLabelFormatter): Disposable;
	}

	//#endregion


	// #region Joh - code insets

	export interface WebviewEditorInset {
		readonly editor: TextEditor;
		readonly line: number;
		readonly height: number;
		readonly webview: Webview;
		readonly onDidDispose: Event<void>;
		dispose(): void;
	}

	export namespace window {
		export function createWebviewTextEditorInset(editor: TextEditor, line: number, height: number, options?: WebviewOptions): WebviewEditorInset;
	}

	//#endregion

	//#region Joh - read/write in chunks

	export interface FileSystemProvider {
		open?(resource: Uri, options: { create: boolean }): number | Thenable<number>;
		close?(fd: number): void | Thenable<void>;
		read?(fd: number, pos: number, data: Uint8Array, offset: number, length: number): number | Thenable<number>;
		write?(fd: number, pos: number, data: Uint8Array, offset: number, length: number): number | Thenable<number>;
	}

	//#endregion

	//#region Rob: search provider

	/**
	 * The parameters of a query for text search.
	 */
	export interface TextSearchQuery {
		/**
		 * The text pattern to search for.
		 */
		pattern: string;

		/**
		 * Whether or not `pattern` should match multiple lines of text.
		 */
		isMultiline?: boolean;

		/**
		 * Whether or not `pattern` should be interpreted as a regular expression.
		 */
		isRegExp?: boolean;

		/**
		 * Whether or not the search should be case-sensitive.
		 */
		isCaseSensitive?: boolean;

		/**
		 * Whether or not to search for whole word matches only.
		 */
		isWordMatch?: boolean;
	}

	/**
	 * A file glob pattern to match file paths against.
	 * TODO@roblou - merge this with the GlobPattern docs/definition in vscode.d.ts.
	 * @see [GlobPattern](#GlobPattern)
	 */
	export type GlobString = string;

	/**
	 * Options common to file and text search
	 */
	export interface SearchOptions {
		/**
		 * The root folder to search within.
		 */
		folder: Uri;

		/**
		 * Files that match an `includes` glob pattern should be included in the search.
		 */
		includes: GlobString[];

		/**
		 * Files that match an `excludes` glob pattern should be excluded from the search.
		 */
		excludes: GlobString[];

		/**
		 * Whether external files that exclude files, like .gitignore, should be respected.
		 * See the vscode setting `"search.useIgnoreFiles"`.
		 */
		useIgnoreFiles: boolean;

		/**
		 * Whether symlinks should be followed while searching.
		 * See the vscode setting `"search.followSymlinks"`.
		 */
		followSymlinks: boolean;

		/**
		 * Whether global files that exclude files, like .gitignore, should be respected.
		 * See the vscode setting `"search.useGlobalIgnoreFiles"`.
		 */
		useGlobalIgnoreFiles: boolean;
	}

	/**
	 * Options to specify the size of the result text preview.
	 * These options don't affect the size of the match itself, just the amount of preview text.
	 */
	export interface TextSearchPreviewOptions {
		/**
		 * The maximum number of lines in the preview.
		 * Only search providers that support multiline search will ever return more than one line in the match.
		 */
		matchLines: number;

		/**
		 * The maximum number of characters included per line.
		 */
		charsPerLine: number;
	}

	/**
	 * Options that apply to text search.
	 */
	export interface TextSearchOptions extends SearchOptions {
		/**
		 * The maximum number of results to be returned.
		 */
		maxResults: number;

		/**
		 * Options to specify the size of the result text preview.
		 */
		previewOptions?: TextSearchPreviewOptions;

		/**
		 * Exclude files larger than `maxFileSize` in bytes.
		 */
		maxFileSize?: number;

		/**
		 * Interpret files using this encoding.
		 * See the vscode setting `"files.encoding"`
		 */
		encoding?: string;

		/**
		 * Number of lines of context to include before each match.
		 */
		beforeContext?: number;

		/**
		 * Number of lines of context to include after each match.
		 */
		afterContext?: number;
	}

	/**
	 * Information collected when text search is complete.
	 */
	export interface TextSearchComplete {
		/**
		 * Whether the search hit the limit on the maximum number of search results.
		 * `maxResults` on [`TextSearchOptions`](#TextSearchOptions) specifies the max number of results.
		 * - If exactly that number of matches exist, this should be false.
		 * - If `maxResults` matches are returned and more exist, this should be true.
		 * - If search hits an internal limit which is less than `maxResults`, this should be true.
		 */
		limitHit?: boolean;
	}

	/**
	 * The parameters of a query for file search.
	 */
	export interface FileSearchQuery {
		/**
		 * The search pattern to match against file paths.
		 */
		pattern: string;
	}

	/**
	 * Options that apply to file search.
	 */
	export interface FileSearchOptions extends SearchOptions {
		/**
		 * The maximum number of results to be returned.
		 */
		maxResults?: number;

		/**
		 * A CancellationToken that represents the session for this search query. If the provider chooses to, this object can be used as the key for a cache,
		 * and searches with the same session object can search the same cache. When the token is cancelled, the session is complete and the cache can be cleared.
		 */
		session?: CancellationToken;
	}

	/**
	 * A preview of the text result.
	 */
	export interface TextSearchMatchPreview {
		/**
		 * The matching lines of text, or a portion of the matching line that contains the match.
		 */
		text: string;

		/**
		 * The Range within `text` corresponding to the text of the match.
		 * The number of matches must match the TextSearchMatch's range property.
		 */
		matches: Range | Range[];
	}

	/**
	 * A match from a text search
	 */
	export interface TextSearchMatch {
		/**
		 * The uri for the matching document.
		 */
		uri: Uri;

		/**
		 * The range of the match within the document, or multiple ranges for multiple matches.
		 */
		ranges: Range | Range[];

		/**
		 * A preview of the text match.
		 */
		preview: TextSearchMatchPreview;
	}

	/**
	 * A line of context surrounding a TextSearchMatch.
	 */
	export interface TextSearchContext {
		/**
		 * The uri for the matching document.
		 */
		uri: Uri;

		/**
		 * One line of text.
		 * previewOptions.charsPerLine applies to this
		 */
		text: string;

		/**
		 * The line number of this line of context.
		 */
		lineNumber: number;
	}

	export type TextSearchResult = TextSearchMatch | TextSearchContext;

	/**
	 * A FileSearchProvider provides search results for files in the given folder that match a query string. It can be invoked by quickopen or other extensions.
	 *
	 * A FileSearchProvider is the more powerful of two ways to implement file search in VS Code. Use a FileSearchProvider if you wish to search within a folder for
	 * all files that match the user's query.
	 *
	 * The FileSearchProvider will be invoked on every keypress in quickopen. When `workspace.findFiles` is called, it will be invoked with an empty query string,
	 * and in that case, every file in the folder should be returned.
	 */
	export interface FileSearchProvider {
		/**
		 * Provide the set of files that match a certain file path pattern.
		 * @param query The parameters for this query.
		 * @param options A set of options to consider while searching files.
		 * @param token A cancellation token.
		 */
		provideFileSearchResults(query: FileSearchQuery, options: FileSearchOptions, token: CancellationToken): ProviderResult<Uri[]>;
	}

	/**
	 * A TextSearchProvider provides search results for text results inside files in the workspace.
	 */
	export interface TextSearchProvider {
		/**
		 * Provide results that match the given text pattern.
		 * @param query The parameters for this query.
		 * @param options A set of options to consider while searching.
		 * @param progress A progress callback that must be invoked for all results.
		 * @param token A cancellation token.
		 */
		provideTextSearchResults(query: TextSearchQuery, options: TextSearchOptions, progress: Progress<TextSearchResult>, token: CancellationToken): ProviderResult<TextSearchComplete>;
	}

	/**
	 * Options that can be set on a findTextInFiles search.
	 */
	export interface FindTextInFilesOptions {
		/**
		 * A [glob pattern](#GlobPattern) that defines the files to search for. The glob pattern
		 * will be matched against the file paths of files relative to their workspace. Use a [relative pattern](#RelativePattern)
		 * to restrict the search results to a [workspace folder](#WorkspaceFolder).
		 */
		include?: GlobPattern;

		/**
		 * A [glob pattern](#GlobPattern) that defines files and folders to exclude. The glob pattern
		 * will be matched against the file paths of resulting matches relative to their workspace. When `undefined` only default excludes will
		 * apply, when `null` no excludes will apply.
		 */
		exclude?: GlobPattern | null;

		/**
		 * The maximum number of results to search for
		 */
		maxResults?: number;

		/**
		 * Whether external files that exclude files, like .gitignore, should be respected.
		 * See the vscode setting `"search.useIgnoreFiles"`.
		 */
		useIgnoreFiles?: boolean;

		/**
		 * Whether global files that exclude files, like .gitignore, should be respected.
		 * See the vscode setting `"search.useGlobalIgnoreFiles"`.
		 */
		useGlobalIgnoreFiles?: boolean;

		/**
		 * Whether symlinks should be followed while searching.
		 * See the vscode setting `"search.followSymlinks"`.
		 */
		followSymlinks?: boolean;

		/**
		 * Interpret files using this encoding.
		 * See the vscode setting `"files.encoding"`
		 */
		encoding?: string;

		/**
		 * Options to specify the size of the result text preview.
		 */
		previewOptions?: TextSearchPreviewOptions;

		/**
		 * Number of lines of context to include before each match.
		 */
		beforeContext?: number;

		/**
		 * Number of lines of context to include after each match.
		 */
		afterContext?: number;
	}

	export namespace workspace {
		/**
		 * Register a search provider.
		 *
		 * Only one provider can be registered per scheme.
		 *
		 * @param scheme The provider will be invoked for workspace folders that have this file scheme.
		 * @param provider The provider.
		 * @return A [disposable](#Disposable) that unregisters this provider when being disposed.
		 */
		export function registerFileSearchProvider(scheme: string, provider: FileSearchProvider): Disposable;

		/**
		 * Register a text search provider.
		 *
		 * Only one provider can be registered per scheme.
		 *
		 * @param scheme The provider will be invoked for workspace folders that have this file scheme.
		 * @param provider The provider.
		 * @return A [disposable](#Disposable) that unregisters this provider when being disposed.
		 */
		export function registerTextSearchProvider(scheme: string, provider: TextSearchProvider): Disposable;

		/**
		 * Search text in files across all [workspace folders](#workspace.workspaceFolders) in the workspace.
		 * @param query The query parameters for the search - the search string, whether it's case-sensitive, or a regex, or matches whole words.
		 * @param callback A callback, called for each result
		 * @param token A token that can be used to signal cancellation to the underlying search engine.
		 * @return A thenable that resolves when the search is complete.
		 */
		export function findTextInFiles(query: TextSearchQuery, callback: (result: TextSearchResult) => void, token?: CancellationToken): Thenable<TextSearchComplete>;

		/**
		 * Search text in files across all [workspace folders](#workspace.workspaceFolders) in the workspace.
		 * @param query The query parameters for the search - the search string, whether it's case-sensitive, or a regex, or matches whole words.
		 * @param options An optional set of query options. Include and exclude patterns, maxResults, etc.
		 * @param callback A callback, called for each result
		 * @param token A token that can be used to signal cancellation to the underlying search engine.
		 * @return A thenable that resolves when the search is complete.
		 */
		export function findTextInFiles(query: TextSearchQuery, options: FindTextInFilesOptions, callback: (result: TextSearchResult) => void, token?: CancellationToken): Thenable<TextSearchComplete>;
	}

	//#endregion

	//#region Joao: diff command

	/**
	 * The contiguous set of modified lines in a diff.
	 */
	export interface LineChange {
		readonly originalStartLineNumber: number;
		readonly originalEndLineNumber: number;
		readonly modifiedStartLineNumber: number;
		readonly modifiedEndLineNumber: number;
	}

	export namespace commands {

		/**
		 * Registers a diff information command that can be invoked via a keyboard shortcut,
		 * a menu item, an action, or directly.
		 *
		 * Diff information commands are different from ordinary [commands](#commands.registerCommand) as
		 * they only execute when there is an active diff editor when the command is called, and the diff
		 * information has been computed. Also, the command handler of an editor command has access to
		 * the diff information.
		 *
		 * @param command A unique identifier for the command.
		 * @param callback A command handler function with access to the [diff information](#LineChange).
		 * @param thisArg The `this` context used when invoking the handler function.
		 * @return Disposable which unregisters this command on disposal.
		 */
		export function registerDiffInformationCommand(command: string, callback: (diff: LineChange[], ...args: any[]) => any, thisArg?: any): Disposable;
	}

	//#endregion

	//#region Joh: decorations

	//todo@joh -> make class
	export interface DecorationData {
		letter?: string;
		title?: string;
		color?: ThemeColor;
		priority?: number;
		bubble?: boolean;
		source?: string; // hacky... we should remove it and use equality under the hood
	}

	export interface SourceControlResourceDecorations {
		source?: string;
		letter?: string;
		color?: ThemeColor;
	}

	export interface DecorationProvider {
		onDidChangeDecorations: Event<undefined | Uri | Uri[]>;
		provideDecoration(uri: Uri, token: CancellationToken): ProviderResult<DecorationData>;
	}

	export namespace window {
		export function registerDecorationProvider(provider: DecorationProvider): Disposable;
	}

	//#endregion

	//#region André: debug

	// deprecated

	export interface DebugConfigurationProvider {
		/**
		 * Deprecated, use DebugAdapterDescriptorFactory.provideDebugAdapter instead.
		 * @deprecated Use DebugAdapterDescriptorFactory.createDebugAdapterDescriptor instead
		 */
		debugAdapterExecutable?(folder: WorkspaceFolder | undefined, token?: CancellationToken): ProviderResult<DebugAdapterExecutable>;
	}

	//#endregion

	//#region Rob, Matt: logging

	/**
	 * The severity level of a log message
	 */
	export enum LogLevel {
		Trace = 1,
		Debug = 2,
		Info = 3,
		Warning = 4,
		Error = 5,
		Critical = 6,
		Off = 7
	}

	export namespace env {
		/**
		 * Current logging level.
		 */
		export const logLevel: LogLevel;

		/**
		 * An [event](#Event) that fires when the log level has changed.
		 */
		export const onDidChangeLogLevel: Event<LogLevel>;
	}

	//#endregion

	//#region Joao: SCM validation

	/**
	 * Represents the validation type of the Source Control input.
	 */
	export enum SourceControlInputBoxValidationType {

		/**
		 * Something not allowed by the rules of a language or other means.
		 */
		Error = 0,

		/**
		 * Something suspicious but allowed.
		 */
		Warning = 1,

		/**
		 * Something to inform about but not a problem.
		 */
		Information = 2
	}

	export interface SourceControlInputBoxValidation {

		/**
		 * The validation message to display.
		 */
		readonly message: string;

		/**
		 * The validation type.
		 */
		readonly type: SourceControlInputBoxValidationType;
	}

	/**
	 * Represents the input box in the Source Control viewlet.
	 */
	export interface SourceControlInputBox {

		/**
		 * A validation function for the input box. It's possible to change
		 * the validation provider simply by setting this property to a different function.
		 */
		validateInput?(value: string, cursorPosition: number): ProviderResult<SourceControlInputBoxValidation | undefined | null>;
	}

	//#endregion

	//#region Joao: SCM selected provider

	export interface SourceControl {

		/**
		 * Whether the source control is selected.
		 */
		readonly selected: boolean;

		/**
		 * An event signaling when the selection state changes.
		 */
		readonly onDidChangeSelection: Event<boolean>;
	}

	//#endregion

	//#region Joao: SCM Input Box

	/**
	 * Represents the input box in the Source Control viewlet.
	 */
	export interface SourceControlInputBox {

		/**
			* Controls whether the input box is visible (default is `true`).
			*/
		visible: boolean;
	}

	//#endregion


	//#region Terminal

	/**
	 * An [event](#Event) which fires when a [Terminal](#Terminal)'s dimensions change.
	 */
	export interface TerminalDimensionsChangeEvent {
		/**
		 * The [terminal](#Terminal) for which the dimensions have changed.
		 */
		readonly terminal: Terminal;
		/**
		 * The new value for the [terminal's dimensions](#Terminal.dimensions).
		 */
		readonly dimensions: TerminalDimensions;
	}

	export interface TerminalDataWriteEvent {
		/**
		 * The [terminal](#Terminal) for which the data was written.
		 */
		readonly terminal: Terminal;
		/**
		 * The data being written.
		 */
		readonly data: string;
	}

	namespace window {
		/**
		 * An event which fires when the [dimensions](#Terminal.dimensions) of the terminal change.
		 */
		export const onDidChangeTerminalDimensions: Event<TerminalDimensionsChangeEvent>;

		/**
		 * An event which fires when the terminal's pty slave pseudo-device is written to. In other
		 * words, this provides access to the raw data stream from the process running within the
		 * terminal, including VT sequences.
		 */
		export const onDidWriteTerminalData: Event<TerminalDataWriteEvent>;
	}

	export interface Terminal {
		/**
		 * The current dimensions of the terminal. This will be `undefined` immediately after the
		 * terminal is created as the dimensions are not known until shortly after the terminal is
		 * created.
		 */
		readonly dimensions: TerminalDimensions | undefined;

		/**
		 * Fires when the terminal's pty slave pseudo-device is written to. In other words, this
		 * provides access to the raw data stream from the process running within the terminal,
		 * including VT sequences.
		 *
		 * @deprecated Use [window.onDidWriteTerminalData](#onDidWriteTerminalData).
		 */
		readonly onDidWriteData: Event<string>;
	}

	/**
	 * Represents the dimensions of a terminal.
	 */
	export interface TerminalDimensions {
		/**
		 * The number of columns in the terminal.
		 */
		readonly columns: number;

		/**
		 * The number of rows in the terminal.
		 */
		readonly rows: number;
	}

	//#endregion

	//#region Extension terminals

	export namespace window {
		/**
		 * Creates a [Terminal](#Terminal) where an extension controls the terminal.
		 *
		 * @param options An [ExtensionTerminalOptions](#ExtensionTerminalOptions) object describing
		 * the characteristics of the new terminal.
		 * @return A new Terminal.
		 */
		export function createTerminal(options: ExtensionTerminalOptions): Terminal;
	}

	/**
	 * Value-object describing what options a virtual process terminal should use.
	 */
	export interface ExtensionTerminalOptions {
		/**
		 * A human-readable string which will be used to represent the terminal in the UI.
		 */
		name: string;

		/**
		 * An implementation of [Pseudoterminal](#Pseudoterminal) that allows an extension to
		 * control a terminal.
		 */
		pty: Pseudoterminal;
	}

	/**
	 * Defines the interface of a terminal pty, enabling extensions to control a terminal.
	 */
	interface Pseudoterminal {
		/**
		 * An event that when fired will write data to the terminal. Unlike
		 * [Terminal.sendText](#Terminal.sendText) which sends text to the underlying _process_
		 * (the pty "slave"), this will write the text to the terminal itself (the pty "master").
		 *
		 * **Example:** Write red text to the terminal
		 * ```typescript
		 * const writeEmitter = new vscode.EventEmitter<string>();
		 * const pty: vscode.Pseudoterminal = {
		 *   onDidWrite: writeEmitter.event,
		 *   open: () => writeEmitter.fire('\x1b[31mHello world\x1b[0m'),
		 *   close: () => {}
		 * };
		 * vscode.window.createTerminal({ name: 'My terminal', pty });
		 * ```
		 *
		 * **Example:** Move the cursor to the 10th row and 20th column and write an asterisk
		 * ```typescript
		 * writeEmitter.fire('\x1b[10;20H*');
		 * ```
		 */
		onDidWrite: Event<string>;

		/**
		 * An event that when fired allows overriding the [dimensions](#Terminal.dimensions) of the
		 * terminal. Note that when set, the overridden dimensions will only take effect when they
		 * are lower than the actual dimensions of the terminal (ie. there will never be a scroll
		 * bar). Set to `undefined` for the terminal to go back to the regular dimensions (fit to
		 * the size of the panel).
		 *
		 * **Example:** Override the dimensions of a terminal to 20 columns and 10 rows
		 * ```typescript
		 * const dimensionsEmitter = new vscode.EventEmitter<vscode.TerminalDimensions>();
		 * const pty: vscode.Pseudoterminal = {
		 *   onDidWrite: writeEmitter.event,
		 *   onDidOverrideDimensions: dimensionsEmitter.event,
		 *   open: () => {
		 *     dimensionsEmitter.fire({
		 *       columns: 20,
		 *       rows: 10
		 *     });
		 *   },
		 *   close: () => {}
		 * };
		 * vscode.window.createTerminal({ name: 'My terminal', pty });
		 * ```
		 */
		onDidOverrideDimensions?: Event<TerminalDimensions | undefined>;

		/**
		 * An event that when fired will signal that the pty is closed and dispose of the terminal.
		 *
		 * **Example:** Exit the terminal when "y" is pressed, otherwise show a notification.
		 * ```typescript
		 * const writeEmitter = new vscode.EventEmitter<string>();
		 * const closeEmitter = new vscode.EventEmitter<vscode.TerminalDimensions>();
		 * const pty: vscode.Pseudoterminal = {
		 *   onDidWrite: writeEmitter.event,
		 *   onDidClose: closeEmitter.event,
		 *   open: () => writeEmitter.fire('Press y to exit successfully'),
		 *   close: () => {}
		 *   handleInput: data => {
		 *     if (data !== 'y') {
		 *       vscode.window.showInformationMessage('Something went wrong');
		 *     }
		 *     closeEmitter.fire();
		 *   }
		 * };
		 * vscode.window.createTerminal({ name: 'Exit example', pty });
		 */
		onDidClose?: Event<void>;

		/**
		 * Implement to handle when the pty is open and ready to start firing events.
		 *
		 * @param initialDimensions The dimensions of the terminal, this will be undefined if the
		 * terminal panel has not been opened before this is called.
		 */
		open(initialDimensions: TerminalDimensions | undefined): void;

		/**
		 * Implement to handle when the terminal is closed by an act of the user.
		 */
		close(): void;

		/**
		 * Implement to handle incoming keystrokes in the terminal or when an extension calls
		 * [Terminal.sendText](#Terminal.sendText). `data` contains the keystrokes/text serialized into
		 * their corresponding VT sequence representation.
		 *
		 * @param data The incoming data.
		 *
		 * **Example:** Echo input in the terminal. The sequence for enter (`\r`) is translated to
		 * CRLF to go to a new line and move the cursor to the start of the line.
		 * ```typescript
		 * const writeEmitter = new vscode.EventEmitter<string>();
		 * const pty: vscode.Pseudoterminal = {
		 *   onDidWrite: writeEmitter.event,
		 *   open: () => {},
		 *   close: () => {},
		 *   handleInput: data => writeEmitter.fire(data === '\r' ? '\r\n' : data)
		 * };
		 * vscode.window.createTerminal({ name: 'Local echo', pty });
		 * ```
		 */
		handleInput?(data: string): void;

		/**
		 * Implement to handle when the number of rows and columns that fit into the terminal panel
		 * changes, for example when font size changes or when the panel is resized. The initial
		 * state of a terminal's dimensions should be treated as `undefined` until this is triggered
		 * as the size of a terminal isn't know until it shows up in the user interface.
		 *
		 * When dimensions are overridden by
		 * [onDidOverrideDimensions](#Pseudoterminal.onDidOverrideDimensions), `setDimensions` will
		 * continue to be called with the regular panel dimensions, allowing the extension continue
		 * to react dimension changes.
		 *
		 * @param dimensions The new dimensions.
		 */
		setDimensions?(dimensions: TerminalDimensions): void;
	}

	//#endregion

	//#region Joh -> exclusive document filters

	export interface DocumentFilter {
		exclusive?: boolean;
	}

	//#endregion

	//#region mjbvz,joh: https://github.com/Microsoft/vscode/issues/43768
	export interface FileRenameEvent {
		readonly oldUri: Uri;
		readonly newUri: Uri;
	}

	export interface FileWillRenameEvent {
		readonly oldUri: Uri;
		readonly newUri: Uri;
		waitUntil(thenable: Thenable<WorkspaceEdit>): void;
	}

	export namespace workspace {
		export const onWillRenameFile: Event<FileWillRenameEvent>;
		export const onDidRenameFile: Event<FileRenameEvent>;
	}
	//#endregion

	//#region Alex - OnEnter enhancement
	export interface OnEnterRule {
		/**
		 * This rule will only execute if the text above the this line matches this regular expression.
		 */
		oneLineAboveText?: RegExp;
	}
	//#endregion

	//#region Tree View

	export interface TreeView<T> {

		/**
		 * An optional human-readable message that will be rendered in the view.
		 */
		message?: string;

	}

	/**
	 * Label describing the [Tree item](#TreeItem)
	 */
	export interface TreeItemLabel {

		/**
		 * A human-readable string describing the [Tree item](#TreeItem).
		 */
		label: string;

		/**
		 * Ranges in the label to highlight. A range is defined as a tuple of two number where the
		 * first is the inclusive start index and the second the exclusive end index
		 */
		highlights?: [number, number][];

	}

	export class TreeItem2 extends TreeItem {
		/**
		 * Label describing this item. When `falsy`, it is derived from [resourceUri](#TreeItem.resourceUri).
		 */
		label?: string | TreeItemLabel | /* for compilation */ any;

		/**
		 * @param label Label describing this item
		 * @param collapsibleState [TreeItemCollapsibleState](#TreeItemCollapsibleState) of the tree item. Default is [TreeItemCollapsibleState.None](#TreeItemCollapsibleState.None)
		 */
		constructor(label: TreeItemLabel, collapsibleState?: TreeItemCollapsibleState);
	}

	export interface TreeViewOptions2<T> extends TreeViewOptions<T> {
		/**
		 * Whether the tree supports multi-select. When the tree supports multi-select and a command is executed from the tree,
		 * the first argument to the command is the tree item that the command was executed on and the second argument is an
		 * array containing the other selected tree items.
		 */
		canSelectMany?: boolean;
	}
	//#endregion

	//#region CustomExecution
	/**
	 * Class used to execute an extension callback as a task.
	 */
	export class CustomExecution2 {
		/**
		 * @param process The [Pseudoterminal](#Pseudoterminal) to be used by the task to display output.
		 * @param callback The callback that will be called when the task is started by a user.
		 */
		constructor(callback: (thisArg?: any) => Thenable<Pseudoterminal>);

		/**
		 * The callback used to execute the task. Cancellation should be handled using
		 * [Pseudoterminal.close](#Pseudoterminal.close). When the task is complete fire
		 * [Pseudoterminal.onDidClose](#Pseudoterminal.onDidClose).
		 */
		callback: (thisArg?: any) => Thenable<Pseudoterminal>;
	}

	/**
	 * A task to execute
	 */
	export class Task2 extends Task {
		/**
		 * Creates a new task.
		 *
		 * @param definition The task definition as defined in the taskDefinitions extension point.
		 * @param scope Specifies the task's scope. It is either a global or a workspace task or a task for a specific workspace folder.
		 * @param name The task's name. Is presented in the user interface.
		 * @param source The task's source (e.g. 'gulp', 'npm', ...). Is presented in the user interface.
		 * @param execution The process or shell execution.
		 * @param problemMatchers the names of problem matchers to use, like '$tsc'
		 *  or '$eslint'. Problem matchers can be contributed by an extension using
		 *  the `problemMatchers` extension point.
		 */
		constructor(taskDefinition: TaskDefinition, scope: WorkspaceFolder | TaskScope.Global | TaskScope.Workspace, name: string, source: string, execution?: ProcessExecution | ShellExecution | CustomExecution2, problemMatchers?: string | string[]);

		/**
		 * The task's execution engine
		 */
		execution2?: ProcessExecution | ShellExecution | CustomExecution2;
	}
	//#endregion

	//#region Tasks
	export interface TaskPresentationOptions {
		/**
		 * Controls whether the task is executed in a specific terminal group using split panes.
		 */
		group?: string;
	}
	//#endregion

	// #region Ben - status bar item with ID and Name

	export namespace window {

		/**
		 * Options to configure the status bar item.
		 */
		export interface StatusBarItemOptions {

			/**
			 * A unique identifier of the status bar item. The identifier
			 * is for example used to allow a user to show or hide the
			 * status bar item in the UI.
			 */
			id: string;

			/**
			 * A human readable name of the status bar item. The name is
			 * for example used as a label in the UI to show or hide the
			 * status bar item.
			 */
			name: string;

			/**
			 * The alignment of the status bar item.
			 */
			alignment?: StatusBarAlignment;

			/**
			 * The priority of the status bar item. Higher value means the item should
			 * be shown more to the left.
			 */
			priority?: number;
		}

		/**
		 * Creates a status bar [item](#StatusBarItem).
		 *
		 * @param options The options of the item. If not provided, some default values
		 * will be assumed. For example, the `StatusBarItemOptions.id` will be the id
		 * of the extension and the `StatusBarItemOptions.name` will be the extension name.
		 * @return A new status bar item.
		 */
		export function createStatusBarItem(options?: StatusBarItemOptions): StatusBarItem;
	}

	//#endregion

	//#region Webview Resource Roots

	export interface Webview {
		/**
		 * Convert a uri for the local file system to one that can be used inside webviews.
		 *
		 * Webviews cannot directly load resoruces from the workspace or local file system using `file:` uris. The
		 * `toWebviewResource` function takes a local `file:` uri and converts it into a uri that can be used inside of
		 * a webview to load the same resource:
		 *
		 * ```ts
		 * webview.html = `<img src="${webview.toWebviewResource(vscode.Uri.file('/Users/codey/workspace/cat.gif'))}">`
		 * ```
		 */
		toWebviewResource(localResource: Uri): Uri;

		/**
		 * Content security policy source for webview resources.
		 *
		 * This is the origin that should be used in a content security policy rule:
		 *
		 * ```
		 * img-src https: ${webview.cspSource} ...;
		 * ```
		 */
		readonly cspSource: string;
	}

	//#endregion

}