/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. 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 auth provider: https://github.com/microsoft/vscode/issues/88309

	export interface AuthenticationSession {
		id: string;
		getAccessToken(): Thenable<string>;
		account: {
			displayName: string;
			id: string;
		};
		scopes: string[]
	}

	/**
	 * An [event](#Event) which fires when an [AuthenticationProvider](#AuthenticationProvider) is added or removed.
	 */
	export interface AuthenticationProvidersChangeEvent {
		/**
		 * The ids of the [authenticationProvider](#AuthenticationProvider)s that have been added.
		 */
		readonly added: string[];

		/**
		 * The ids of the [authenticationProvider](#AuthenticationProvider)s that have been removed.
		 */
		readonly removed: string[];
	}

	/**
	* An [event](#Event) which fires when an [AuthenticationSession](#AuthenticationSession) is added, removed, or changed.
	*/
	export interface AuthenticationSessionsChangeEvent {
		/**
		 * The ids of the [AuthenticationSession](#AuthenticationSession)s that have been added.
		*/
		readonly added: string[];

		/**
		 * The ids of the [AuthenticationSession](#AuthenticationSession)s that have been removed.
		 */
		readonly removed: string[];

		/**
		 * The ids of the [AuthenticationSession](#AuthenticationSession)s that have been changed.
		 */
		readonly changed: string[];
	}

	/**
	 * **WARNING** When writing an AuthenticationProvider, `id` should be treated as part of your extension's
	 * API, changing it is a breaking change for all extensions relying on the provider. The id is
	 * treated case-sensitively.
	 */
	export interface AuthenticationProvider {
		/**
		 * Used as an identifier for extensions trying to work with a particular
		 * provider: 'microsoft', 'github', etc. id must be unique, registering
		 * another provider with the same id will fail.
		 */
		readonly id: string;
		readonly displayName: string;

		/**
		 * An [event](#Event) which fires when the array of sessions has changed, or data
		 * within a session has changed.
		 */
		readonly onDidChangeSessions: Event<AuthenticationSessionsChangeEvent>;

		/**
		 * Returns an array of current sessions.
		 */
		getSessions(): Thenable<ReadonlyArray<AuthenticationSession>>;

		/**
		 * Prompts a user to login.
		 */
		login(scopes: string[]): Thenable<AuthenticationSession>;
		logout(sessionId: string): Thenable<void>;
	}

	export namespace authentication {
		export function registerAuthenticationProvider(provider: AuthenticationProvider): Disposable;

		/**
		 * Fires with the provider id that was registered or unregistered.
		 */
		export const onDidChangeAuthenticationProviders: Event<AuthenticationProvidersChangeEvent>;

		/**
		 * An array of the ids of authentication providers that are currently registered.
		 */
		export const providerIds: string[];

		/**
		 * Get existing authentication sessions. Rejects if a provider with providerId is not
		 * registered, or if the user does not consent to sharing authentication information with
		 * the extension.
		 */
		export function getSessions(providerId: string, scopes: string[]): Thenable<readonly AuthenticationSession[]>;

		/**
		* Prompt a user to login to create a new authenticaiton session. Rejects if a provider with
		* providerId is not registered, or if the user does not consent to sharing authentication
		* information with the extension.
		*/
		export function login(providerId: string, scopes: string[]): Thenable<AuthenticationSession>;

		/**
		* An [event](#Event) which fires when the array of sessions has changed, or data
		* within a session has changed for a provider. Fires with the ids of the providers
		* that have had session data change.
		*/
		export const onDidChangeSessions: Event<{ [providerId: string]: AuthenticationSessionsChangeEvent }>;
	}

	//#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 interface TunnelOptions {
		remoteAddress: { port: number, host: string };
		// The desired local port. If this port can't be used, then another will be chosen.
		localAddressPort?: number;
		label?: string;
	}

	export interface TunnelDescription {
		remoteAddress: { port: number, host: string };
		//The complete local address(ex. localhost:1234)
		localAddress: { port: number, host: string } | string;
	}

	export interface Tunnel extends TunnelDescription {
		// Implementers of Tunnel should fire onDidDispose when dispose is called.
		onDidDispose: Event<void>;
		dispose(): void;
	}

	/**
	 * Used as part of the ResolverResult if the extension has any candidate,
	 * published, or forwarded ports.
	 */
	export interface TunnelInformation {
		/**
		 * Tunnels that are detected by the extension. The remotePort is used for display purposes.
		 * The localAddress should be the complete local address (ex. localhost:1234) for connecting to the port. Tunnels provided through
		 * detected are read-only from the forwarded ports UI.
		 */
		environmentTunnels?: TunnelDescription[];

	}

	export type ResolverResult = ResolvedAuthority & ResolvedOptions & TunnelInformation;

	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>;
		/**
		 * Can be optionally implemented if the extension can forward ports better than the core.
		 * When not implemented, the core will use its default forwarding logic.
		 * When implemented, the core will use this to forward ports.
		 */
		tunnelFactory?: (tunnelOptions: TunnelOptions) => Thenable<Tunnel> | undefined;

		/**
		 * Provides filtering for candidate ports.
		 */
		showCandidatePort?: (host: string, port: number, detail: string) => Thenable<boolean>;
	}

	export namespace workspace {
		/**
		 * Forwards a port. If the current resolver implements RemoteAuthorityResolver:forwardPort then that will be used to make the tunnel.
		 * By default, openTunnel only support localhost; however, RemoteAuthorityResolver:tunnelFactory can be used to support other ips.
		 * @param tunnelOptions The `localPort` is a suggestion only. If that port is not available another will be chosen.
		 */
		export function openTunnel(tunnelOptions: TunnelOptions): Thenable<Tunnel>;

		/**
		 * Gets an array of the currently available tunnels. This does not include environment tunnels, only tunnels that have been created by the user.
		 * Note that these are of type TunnelDescription and cannot be disposed.
		 */
		export let tunnels: Thenable<TunnelDescription[]>;

		/**
		 * Fired when the list of tunnels has changed.
		 */
		export const onDidChangeTunnels: Event<void>;
	}

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

	export interface ResourceLabelFormatting {
		label: string; // myLabel:/${path}
		// TODO@isi
		// eslint-disable-next-line vscode-dts-literal-or-types
		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 editor insets: https://github.com/microsoft/vscode/issues/85682

	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 read/write in chunks: https://github.com/microsoft/vscode/issues/84515

	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 TextSearchProvider: https://github.com/microsoft/vscode/issues/59921

	/**
	 * 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;
	}

	/**
	 * 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 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>;
	}

	//#endregion

	//#region FileSearchProvider: https://github.com/microsoft/vscode/issues/73524

	/**
	 * 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 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[]>;
	}

	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;
	}

	//#endregion

	//#region findTextInFiles: https://github.com/microsoft/vscode/issues/59924

	/**
	 * 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`, default excludes will
		 * apply.
		 */
		exclude?: GlobPattern;

		/**
		 * Whether to use the default and user-configured excludes. Defaults to true.
		 */
		useDefaultExcludes?: boolean;

		/**
		 * 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 {
		/**
		 * 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 diff command: https://github.com/microsoft/vscode/issues/84899

	/**
	 * 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 file-decorations: https://github.com/microsoft/vscode/issues/54938

	export class Decoration {
		letter?: string;
		title?: string;
		color?: ThemeColor;
		priority?: number;
		bubble?: boolean;
	}

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

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

	//#endregion

	//#region debug: https://github.com/microsoft/vscode/issues/88230

	/**
	 * VS Code can call the `provideDebugConfigurations` method of a `DebugConfigurationProvider` in two situations (aka 'scopes'):
	 * to provide the initial debug configurations for a newly created launch.json or to provide debug configurations dynamically based on context.
	 * A scope can be used when registering a `DebugConfigurationProvider` with #debug.registerDebugConfigurationProvider.
	 */
	export enum DebugConfigurationProviderScope {
		/**
		 * The 'initial' scope is used to ask for debug configurations to be copied into a newly created launch.json.
		 */
		Initial = 1,
		/**
		 * The 'dynamic' scope is used to ask for additional dynamic debug configurations to be presented to the user (in addition to the static configurations from the launch.json).
		 */
		Dynamic = 2
	}

	export namespace debug {
		/**
		 * Register a [debug configuration provider](#DebugConfigurationProvider) for a specific debug type.
		 * The optional [scope](#DebugConfigurationProviderScope) argument can be used to bind the `provideDebugConfigurations` method of the provider to a specific context (aka scope).
		 * Currently two scopes are possible: with the value `Initial` (or if no scope argument is given) the `provideDebugConfigurations` method is used to find the initial debug configurations to be copied into a newly created launch.json.
		 * With a scope value `Dynamic` the `provideDebugConfigurations` method is used to dynamically determine debug configurations to be presented to the user in addition to the static configurations from the launch.json.
		 * Please note that the scope argument only applies to the `provideDebugConfigurations` method: so the `resolveDebugConfiguration` methods are not affected at all.
		 * Registering a single provider with resolve methods for different scopes, results in the same resolve methods called multiple times.
		 * More than one provider can be registered for the same type.
		 *
		 * @param type The debug type for which the provider is registered.
		 * @param provider The [debug configuration provider](#DebugConfigurationProvider) to register.
		 * @param scope The [scope](#DebugConfigurationProviderScope) for which the 'provideDebugConfiguration' method of the provider is registered.
		 * @return A [disposable](#Disposable) that unregisters this provider when being disposed.
		 */
		export function registerDebugConfigurationProvider(debugType: string, provider: DebugConfigurationProvider, scope?: DebugConfigurationProviderScope): Disposable;
	}

	// deprecated debug API

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

	//#endregion

	//#region LogLevel: https://github.com/microsoft/vscode/issues/85992

	/**
	 * @deprecated DO NOT USE, will be removed
	 */
	export enum LogLevel {
		Trace = 1,
		Debug = 2,
		Info = 3,
		Warning = 4,
		Error = 5,
		Critical = 6,
		Off = 7
	}

	export namespace env {
		/**
		 * @deprecated DO NOT USE, will be removed
		 */
		export const logLevel: LogLevel;

		/**
		 * @deprecated DO NOT USE, will be removed
		 */
		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 Terminal data write event https://github.com/microsoft/vscode/issues/78502

	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 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>;
	}

	//#endregion

	//#region Terminal dimensions property and change event https://github.com/microsoft/vscode/issues/55718

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

	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;
	}

	//#endregion



	//#region Terminal link handlers https://github.com/microsoft/vscode/issues/91606

	export namespace window {
		/**
		 * Register a [TerminalLinkHandler](#TerminalLinkHandler) that can be used to intercept and
		 * handle links that are activated within terminals.
		 * @param handler The link handler being registered.
		 * @return A disposable that unregisters the link handler.
		 */
		export function registerTerminalLinkHandler(handler: TerminalLinkHandler): Disposable;
	}

	/**
	 * Describes how to handle terminal links.
	 */
	export interface TerminalLinkHandler {
		/**
		 * Handles a link that is activated within the terminal.
		 *
		 * @param terminal The terminal the link was activated on.
		 * @param link The text of the link activated.
		 * @return Whether the link was handled, if the link was handled this link will not be
		 * considered by any other extension or by the default built-in link handler.
		 */
		handleLink(terminal: Terminal, link: string): ProviderResult<boolean>;
	}

	//#endregion

	//#region Contribute to terminal environment https://github.com/microsoft/vscode/issues/46696

	export enum EnvironmentVariableMutatorType {
		/**
		 * Replace the variable's existing value.
		 */
		Replace = 1,
		/**
		 * Append to the end of the variable's existing value.
		 */
		Append = 2,
		/**
		 * Prepend to the start of the variable's existing value.
		 */
		Prepend = 3
	}

	export interface EnvironmentVariableMutator {
		/**
		 * The type of mutation that will occur to the variable.
		 */
		readonly type: EnvironmentVariableMutatorType;

		/**
		 * The value to use for the variable.
		 */
		readonly value: string;
	}

	/**
	 * A collection of mutations that an extension can apply to a process environment.
	 */
	export interface EnvironmentVariableCollection {
		/**
		 * Replace an environment variable with a value.
		 *
		 * Note that an extension can only make a single change to any one variable, so this will
		 * overwrite any previous calls to replace, append or prepend.
		 */
		replace(variable: string, value: string): void;

		/**
		 * Append a value to an environment variable.
		 *
		 * Note that an extension can only make a single change to any one variable, so this will
		 * overwrite any previous calls to replace, append or prepend.
		 */
		append(variable: string, value: string): void;

		/**
		 * Prepend a value to an environment variable.
		 *
		 * Note that an extension can only make a single change to any one variable, so this will
		 * overwrite any previous calls to replace, append or prepend.
		 */
		prepend(variable: string, value: string): void;

		/**
		 * Gets the mutator that this collection applies to a variable, if any.
		 */
		get(variable: string): EnvironmentVariableMutator | undefined;

		/**
		 * Iterate over each mutator in this collection.
		 */
		forEach(callback: (variable: string, mutator: EnvironmentVariableMutator, collection: EnvironmentVariableCollection) => any, thisArg?: any): void;

		/**
		 * Deletes this collection's mutator for a variable.
		 */
		delete(variable: string): void;

		/**
		 * Clears all mutators from this collection.
		 */
		clear(): void;

		/**
		 * Disposes the collection, if the collection was persisted it will no longer be retained
		 * across reloads.
		 */
		dispose(): void;
	}

	export namespace window {
		/**
		 * Creates or returns the extension's environment variable collection for this workspace,
		 * enabling changes to be applied to terminal environment variables.
		 *
		 * @param persistent Whether the collection should be cached for the workspace and applied
		 * to the terminal across window reloads. When true the collection will be active
		 * immediately such when the window reloads. Additionally, this API will return the cached
		 * version if it exists. The collection will be invalidated when the extension is
		 * uninstalled or when the collection is disposed. Defaults to false.
		 */
		export function getEnvironmentVariableCollection(persistent?: boolean): EnvironmentVariableCollection;
	}

	//#endregion

	//#region Joh -> exclusive document filters

	export interface DocumentFilter {
		exclusive?: boolean;
	}

	//#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: https://github.com/microsoft/vscode/issues/61313
	/**
	 * 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);
	}
	//#endregion

	//#region CustomExecution: https://github.com/microsoft/vscode/issues/81007
	/**
	 * A task to execute
	 */
	export class Task2 extends Task {
		detail?: string;
	}

	export class CustomExecution2 extends CustomExecution {
		/**
		 * Constructs a CustomExecution task object. The callback will be executed the task is run, at which point the
		 * extension should return the Pseudoterminal it will "run in". The task should wait to do further execution until
		 * [Pseudoterminal.open](#Pseudoterminal.open) is called. Task cancellation should be handled using
		 * [Pseudoterminal.close](#Pseudoterminal.close). When the task is complete fire
		 * [Pseudoterminal.onDidClose](#Pseudoterminal.onDidClose).
		 * @param callback The callback that will be called when the task is started by a user.
		 */
		constructor(callback: (resolvedDefinition?: TaskDefinition) => Thenable<Pseudoterminal>);
	}
	//#endregion

	//#region Task presentation group: https://github.com/microsoft/vscode/issues/47265
	export interface TaskPresentationOptions {
		/**
		 * Controls whether the task is executed in a specific terminal group using split panes.
		 */
		group?: string;
	}
	//#endregion

	//#region Status bar item with ID and Name: https://github.com/microsoft/vscode/issues/74972

	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 OnTypeRename: https://github.com/microsoft/vscode/issues/88424

	/**
	 * The rename provider interface defines the contract between extensions and
	 * the live-rename feature.
	 */
	export interface OnTypeRenameProvider {
		/**
		 * Provide a list of ranges that can be live renamed together.
		 *
		 * @param document The document in which the command was invoked.
		 * @param position The position at which the command was invoked.
		 * @param token A cancellation token.
		 * @return A list of ranges that can be live-renamed togehter. The ranges must have
		 * identical length and contain identical text content. The ranges cannot overlap.
		 */
		provideOnTypeRenameRanges(document: TextDocument, position: Position, token: CancellationToken): ProviderResult<Range[]>;
	}

	namespace languages {
		/**
		 * Register a rename provider that works on type.
		 *
		 * Multiple providers can be registered for a language. In that case providers are sorted
		 * by their [score](#languages.match) and the best-matching provider is used. Failure
		 * of the selected provider will cause a failure of the whole operation.
		 *
		 * @param selector A selector that defines the documents this provider is applicable to.
		 * @param provider An on type rename provider.
		 * @param stopPattern Stop on type renaming when input text matches the regular expression. Defaults to `^\s`.
		 * @return A [disposable](#Disposable) that unregisters this provider when being disposed.
		 */
		export function registerOnTypeRenameProvider(selector: DocumentSelector, provider: OnTypeRenameProvider, stopPattern?: RegExp): Disposable;
	}

	//#endregion

	//#region Custom editor https://github.com/microsoft/vscode/issues/77131

	/**
	 * Represents a custom document used by a [`CustomEditorProvider`](#CustomEditorProvider).
	 *
	 * Custom documents are only used within a given `CustomEditorProvider`. The lifecycle of a `CustomDocument` is
	 * managed by VS Code. When no more references remain to a `CustomDocument`, it is disposed of.
	 */
	interface CustomDocument {
		/**
		 * The associated uri for this document.
		 */
		readonly uri: Uri;

		/**
		 * Dispose of the custom document.
		 *
		 * This is invoked by VS Code when there are no more references to a given `CustomDocument` (for example when
		 * all editors associated with the document have been closed.)
		 */
		dispose(): void;
	}

	/**
	 * Event triggered by extensions to signal to VS Code that an edit has occurred on an [`EditableCustomDocument`](#EditableCustomDocument).
	 *
	 * @see [`EditableCustomDocument.onDidChange`](#EditableCustomDocument.onDidChange).
	 */
	interface CustomDocumentEditEvent {
		/**
		 * Undo the edit operation.
		 *
		 * This is invoked by VS Code when the user triggers an undo.
		 */
		undo(): Thenable<void> | void;

		/**
		 * Redo the edit operation.
		 *
		 * This is invoked by VS Code when the user triggers a redo.
		 */
		redo(): Thenable<void> | void;

		/**
		 * Display name describing the edit.
		 *
		 * This is shown in the UI to users.
		 */
		readonly label?: string;
	}

	/**
	 * Event triggered by extensions to signal to VS Code that the content of a [`EditableCustomDocument`](#EditableCustomDocument)
	 * has changed.
	 *
	 * @see [`EditableCustomDocument.onDidChange`](#EditableCustomDocument.onDidChange).
	 */
	interface CustomDocumentContentChangeEvent {
		// marker interface
	}

	/**
	 * A backup for an [`EditableCustomDocument`](#EditableCustomDocument).
	 */
	interface CustomDocumentBackup {
		/**
		 * Unique identifier for the backup.
		 *
		 * This id is passed back to your extension in `openCustomDocument` when opening a custom editor from a backup.
		 */
		readonly backupId: string;

		/**
		 * Dispose of the current backup.
		 *
		 * This is called by VS Code when it is clear the current backup, such as when a new backup is made or when the
		 * file is saved.
		 */
		dispose(): void;
	}

	/**
	 * Represents an editable custom document used by a [`CustomEditorProvider`](#CustomEditorProvider).
	 *
	 * `EditableCustomDocument` is how custom editors hook into standard VS Code operations such as save and undo. The
	 * document is also how custom editors notify VS Code that an edit has taken place.
	 */
	interface EditableCustomDocument extends CustomDocument {
		/**
		 * Save the resource for a custom editor.
		 *
		 * This method is invoked by VS Code when the user saves a custom editor. This can happen when the user
		 * triggers save while the custom editor is active, by commands such as `save all`, or by auto save if enabled.
		 *
		 * To implement `save`, the implementer must persist the custom editor. This usually means writing the
		 * file data for the custom document to disk. After `save` completes, any associated editor instances will
		 * no longer be marked as dirty.
		 *
		 * @param cancellation Token that signals the save is no longer required (for example, if another save was triggered).
		 *
		 * @return Thenable signaling that saving has completed.
		 */
		save(cancellation: CancellationToken): Thenable<void>;

		/**
		 * Save the resource for a custom editor to a different location.
		 *
		 * This method is invoked by VS Code when the user triggers `save as` on a custom editor.
		 *
		 * To implement `saveAs`, the implementer must persist the custom editor to `targetResource`. The
		 * existing editor will remain open after `saveAs` completes.
		 *
		 * @param targetResource Location to save to.
		 * @param cancellation Token that signals the save is no longer required.
		 *
		 * @return Thenable signaling that saving has completed.
		 */
		saveAs(targetResource: Uri, cancellation: CancellationToken): Thenable<void>;

		/**
		 * Signal that an edit has occurred inside a custom editor.
		 *
		 * This event must be fired by your extension whenever an edit happens in a custom editor. An edit can be
		 * anything from changing some text, to cropping an image, to reordering a list. Your extension is free to
		 * define what an edit is and what data is stored on each edit.
		 *
		 * Firing `onDidChange` causes VS Code to mark the editors as being dirty. This is cleared when the user either
		 * saves or reverts the file.
		 *
		 * Editors that support undo/redo must fire a `CustomDocumentEditEvent` whenever an edit happens. This allows
		 * users to undo and redo the edit using VS Code's standard VS Code keyboard shortcuts. VS Code will also mark
		 * the editor as no longer being dirty if the user undoes all edits to the last saved state.
		 *
		 * Editors that support editing but cannot use VS Code's standard undo/redo mechanism must fire a `CustomDocumentContentChangeEvent`.
		 * The only way for a user to clear the dirty state of an editor that does not support undo/redo is to either
		 * `save` or `revert` the file.
		 *
		 * An editor should only ever fire `CustomDocumentEditEvent` events, or only ever fire `CustomDocumentContentChangeEvent` events.
		 */
		readonly onDidChange: Event<CustomDocumentEditEvent> | Event<CustomDocumentContentChangeEvent>;

		/**
		 * Revert a custom editor to its last saved state.
		 *
		 * This method is invoked by VS Code when the user triggers `File: Revert File` in a custom editor. (Note that
		 * this is only used using VS Code's `File: Revert File` command and not on a `git revert` of the file).
		 *
		 * To implement `revert`, the implementer must make sure all editor instances (webviews) for `document`
		 * are displaying the document in the same state is saved in. This usually means reloading the file from the
		 * workspace.
		 *
		 * During `revert`, your extension should also clear any backups for the custom editor. Backups are only needed
		 * when there is a difference between an editor's state in VS Code and its save state on disk.
		 *
		 * @param cancellation Token that signals the revert is no longer required.
		 *
		 * @return Thenable signaling that the change has completed.
		 */
		revert(cancellation: CancellationToken): Thenable<void>;

		/**
		 * Back up the resource in its current state.
		 *
		 * Backups are used for hot exit and to prevent data loss. Your `backup` method should persist the resource in
		 * its current state, i.e. with the edits applied. Most commonly this means saving the resource to disk in
		 * the `ExtensionContext.storagePath`. When VS Code reloads and your custom editor is opened for a resource,
		 * your extension should first check to see if any backups exist for the resource. If there is a backup, your
		 * extension should load the file contents from there instead of from the resource in the workspace.
		 *
		 * `backup` is triggered whenever an edit it made. Calls to `backup` are debounced so that if multiple edits are
		 * made in quick succession, `backup` is only triggered after the last one. `backup` is not invoked when
		 * `auto save` is enabled (since auto save already persists resource ).
		 *
		 * @param cancellation Token that signals the current backup since a new backup is coming in. It is up to your
		 * extension to decided how to respond to cancellation. If for example your extension is backing up a large file
		 * in an operation that takes time to complete, your extension may decide to finish the ongoing backup rather
		 * than cancelling it to ensure that VS Code has some valid backup.
		 */
		backup(cancellation: CancellationToken): Thenable<CustomDocumentBackup>;
	}

	/**
	 * Additional information about the opening custom document.
	 */
	interface OpenCustomDocumentContext {
		/**
		 * The id of the backup to restore the document from or `undefined` if there is no backup.
		 *
		 * If this is provided, your extension should restore the editor from the backup instead of reading the file
		 * the user's workspace.
		 */
		readonly backupId?: string;
	}

	/**
	 * Provider for custom editors that use a custom document model.
	 *
	 * Custom editors use [`CustomDocument`](#CustomDocument) as their document model instead of a [`TextDocument`](#TextDocument).
	 * This gives extensions full control over actions such as edit, save, and backup.
	 *
	 * You should use this type of custom editor when dealing with binary files or more complex scenarios. For simple
	 * text based documents, use [`CustomTextEditorProvider`](#CustomTextEditorProvider) instead.
	 *
	 * @param DocumentType Type of the custom document returned by this provider.
	 */
	export interface CustomEditorProvider<DocumentType extends CustomDocument = CustomDocument> {

		/**
		 * Create a new document for a given resource.
		 *
		 * `openCustomDocument` is called when the first editor for a given resource is opened, and the resolve document
		 * is passed to `resolveCustomEditor`. The resolved `CustomDocument` is re-used for subsequent editor opens.
		 * If all editors for a given resource are closed, the `CustomDocument` is disposed of. Opening an editor at
		 * this point will trigger another call to `openCustomDocument`.
		 *
		 * @param uri Uri of the document to open.
		 * @param openContext Additional information about the opening custom document.
		 * @param token A cancellation token that indicates the result is no longer needed.
		 *
		 * @return The custom document.
		 */
		openCustomDocument(uri: Uri, openContext: OpenCustomDocumentContext, token: CancellationToken): Thenable<DocumentType> | DocumentType;

		/**
		 * Resolve a custom editor for a given resource.
		 *
		 * This is called whenever the user opens a new editor for this `CustomEditorProvider`.
		 *
		 * To resolve a custom editor, the provider must fill in its initial html content and hook up all
		 * the event listeners it is interested it. The provider can also hold onto the `WebviewPanel` to use later,
		 * for example in a command. See [`WebviewPanel`](#WebviewPanel) for additional details.
		 *
		 * @param document Document for the resource being resolved.
		 * @param webviewPanel Webview to resolve.
		 * @param token A cancellation token that indicates the result is no longer needed.
		 *
		 * @return Optional thenable indicating that the custom editor has been resolved.
		 */
		resolveCustomEditor(document: DocumentType, webviewPanel: WebviewPanel, token: CancellationToken): Thenable<void> | void;
	}

	namespace window {
		/**
		 * Temporary overload for `registerCustomEditorProvider` that takes a `CustomEditorProvider`.
		 */
		export function registerCustomEditorProvider2(
			viewType: string,
			provider: CustomEditorProvider,
			options?: {
				readonly webviewOptions?: WebviewPanelOptions;

				/**
				 * Indicates that the provider allows multiple editor instances to be open at the same time for
				 * the same resource.
				 *
				 * If not set, VS Code only allows one editor instance to be open at a time for each resource. If the
				 * user tries to open a second editor instance for the resource, the first one is instead moved to where
				 * the second one was to be opened.
				 *
				 * When set, users can split and create copies of the custom editor. The custom editor must make sure it
				 * can properly synchronize the states of all editor instances for a resource so that they are consistent.
				 */
				readonly supportsMultipleEditorsPerResource?: boolean;
			}
		): Disposable;
	}

	// #endregion

	//#region Custom editor move https://github.com/microsoft/vscode/issues/86146

	// TODO: Also for custom editor

	export interface CustomTextEditorProvider {


		/**
		 * Handle when the underlying resource for a custom editor is renamed.
		 *
		 * This allows the webview for the editor be preserved throughout the rename. If this method is not implemented,
		 * VS Code will destory the previous custom editor and create a replacement one.
		 *
		 * @param newDocument New text document to use for the custom editor.
		 * @param existingWebviewPanel Webview panel for the custom editor.
		 * @param token A cancellation token that indicates the result is no longer needed.
		 *
		 * @return Thenable indicating that the webview editor has been moved.
		 */
		moveCustomTextEditor?(newDocument: TextDocument, existingWebviewPanel: WebviewPanel, token: CancellationToken): Thenable<void>;
	}

	//#endregion


	//#region allow QuickPicks to skip sorting: https://github.com/microsoft/vscode/issues/73904

	export interface QuickPick<T extends QuickPickItem> extends QuickInput {
		/**
		 * An optional flag to sort the final results by index of first query match in label. Defaults to true.
		 */
		sortByLabel: boolean;
	}

	//#endregion

	//#region Allow theme icons in hovers: https://github.com/microsoft/vscode/issues/84695

	export interface MarkdownString {

		/**
		 * Indicates that this markdown string can contain [ThemeIcons](#ThemeIcon), e.g. `$(zap)`.
		 */
		readonly supportThemeIcons?: boolean;
	}

	//#endregion

	//#region Peng: Notebook

	export enum CellKind {
		Markdown = 1,
		Code = 2
	}

	export enum CellOutputKind {
		Text = 1,
		Error = 2,
		Rich = 3
	}

	export interface CellStreamOutput {
		outputKind: CellOutputKind.Text;
		text: string;
	}

	export interface CellErrorOutput {
		outputKind: CellOutputKind.Error;
		/**
		 * Exception Name
		 */
		ename: string;
		/**
		 * Exception Value
		 */
		evalue: string;
		/**
		 * Exception call stack
		 */
		traceback: string[];
	}

	export interface CellDisplayOutput {
		outputKind: CellOutputKind.Rich;
		/**
		 * { mime_type: value }
		 *
		 * Example:
		 * ```json
		 * {
		 *   "outputKind": vscode.CellOutputKind.Rich,
		 *   "data": {
		 *      "text/html": [
		 *          "<h1>Hello</h1>"
		 *       ],
		 *      "text/plain": [
		 *        "<IPython.lib.display.IFrame at 0x11dee3e80>"
		 *      ]
		 *   }
		 * }
		 */
		data: { [key: string]: any };
	}

	export type CellOutput = CellStreamOutput | CellErrorOutput | CellDisplayOutput;

	export enum NotebookCellRunState {
		Running = 1,
		Idle = 2,
		Success = 3,
		Error = 4
	}

	export interface NotebookCellMetadata {
		/**
		 * Controls if the content of a cell is editable or not.
		 */
		editable?: boolean;

		/**
		 * Controls if the cell is executable.
		 * This metadata is ignored for markdown cell.
		 */
		runnable?: boolean;

		/**
		 * The order in which this cell was executed.
		 */
		executionOrder?: number;

		/**
		 * A status message to be shown in the cell's status bar
		 */
		statusMessage?: string;

		/**
		 * The cell's current run state
		 */
		runState?: NotebookCellRunState;
	}

	export interface NotebookCell {
		readonly uri: Uri;
		readonly cellKind: CellKind;
		readonly document: TextDocument;
		// API remove `source` or doc it as shorthand for document.getText()
		readonly source: string;
		language: string;
		outputs: CellOutput[];
		metadata: NotebookCellMetadata;
	}

	export interface NotebookDocumentMetadata {
		/**
		 * Controls if users can add or delete cells
		 * Defaults to true
		 */
		editable?: boolean;

		/**
		 * Default value for [cell editable metadata](#NotebookCellMetadata.editable).
		 * Defaults to true.
		 */
		cellEditable?: boolean;

		/**
		 * Default value for [cell runnable metadata](#NotebookCellMetadata.runnable).
		 * Defaults to true.
		 */
		cellRunnable?: boolean;

		/**
		 * Whether the [execution order](#NotebookCellMetadata.executionOrder) indicator will be displayed.
		 * Defaults to true.
		 */
		hasExecutionOrder?: boolean;
	}

	export interface NotebookDocument {
		readonly uri: Uri;
		readonly fileName: string;
		readonly isDirty: boolean;
		readonly cells: NotebookCell[];
		languages: string[];
		displayOrder?: GlobPattern[];
		metadata: NotebookDocumentMetadata;
	}

	export interface NotebookConcatTextDocument {
		isClosed: boolean;
		dispose(): void;
		onDidChange: Event<void>;
		version: number;
		getText(): string;
		getText(range: Range): string;
		offsetAt(position: Position): number;
		positionAt(offset: number): Position;
		locationAt(positionOrRange: Position | Range): Location;
		positionAt(location: Location): Position;
	}

	export interface NotebookEditorCellEdit {
		insert(index: number, content: string | string[], language: string, type: CellKind, outputs: CellOutput[], metadata: NotebookCellMetadata | undefined): void;
		delete(index: number): void;
	}

	export interface NotebookEditor {
		/**
		 * The document associated with this notebook editor.
		 */
		readonly document: NotebookDocument;

		/**
		 * The primary selected cell on this notebook editor.
		 */
		readonly selection?: NotebookCell;
		viewColumn?: ViewColumn;
		/**
		 * Fired when the output hosting webview posts a message.
		 */
		readonly onDidReceiveMessage: Event<any>;
		/**
		 * Post a message to the output hosting webview.
		 *
		 * Messages are only delivered if the editor is live.
		 *
		 * @param message Body of the message. This must be a string or other json serilizable object.
		 */
		postMessage(message: any): Thenable<boolean>;

		edit(callback: (editBuilder: NotebookEditorCellEdit) => void): Thenable<boolean>;
	}

	export interface NotebookProvider {
		resolveNotebook(editor: NotebookEditor): Promise<void>;
		executeCell(document: NotebookDocument, cell: NotebookCell | undefined, token: CancellationToken): Promise<void>;
		save(document: NotebookDocument): Promise<boolean>;
	}

	export interface NotebookOutputSelector {
		type: string;
		subTypes?: string[];
	}

	export interface NotebookOutputRenderer {
		/**
		 *
		 * @returns HTML fragment. We can probably return `CellOutput` instead of string ?
		 *
		 */
		render(document: NotebookDocument, output: CellDisplayOutput, mimeType: string): string;
		preloads?: Uri[];
	}

	export interface NotebookDocumentChangeEvent {

		/**
		 * The affected document.
		 */
		readonly document: NotebookDocument;

		/**
		 * An array of content changes.
		 */
		// readonly contentChanges: ReadonlyArray<TextDocumentContentChangeEvent>;
	}

	export namespace notebook {
		export function registerNotebookProvider(
			notebookType: string,
			provider: NotebookProvider
		): Disposable;

		export function registerNotebookOutputRenderer(type: string, outputSelector: NotebookOutputSelector, renderer: NotebookOutputRenderer): Disposable;

		export let activeNotebookDocument: NotebookDocument | undefined;

		export let activeNotebookEditor: NotebookEditor | undefined;

		// export const onDidChangeNotebookDocument: Event<NotebookDocumentChangeEvent>;

		/**
		 * Create a document that is the concatenation of all  notebook cells. By default all code-cells are included
		 * but a selector can be provided to narrow to down the set of cells.
		 *
		 * @param notebook
		 * @param selector
		 */
		export function createConcatTextDocument(notebook: NotebookDocument, selector?: DocumentSelector): NotebookConcatTextDocument;
	}

	//#endregion

	//#region https://github.com/microsoft/vscode/issues/39441

	export interface CompletionItem {
		/**
		 * Will be merged into CompletionItem#label
		 */
		label2?: CompletionItemLabel;
	}

	export interface CompletionItemLabel {
		/**
		 * The function or variable. Rendered leftmost.
		 */
		name: string;

		/**
		 * The parameters without the return type. Render after `name`.
		 */
		parameters?: string;

		/**
		 * The fully qualified name, like package name or file path. Rendered after `signature`.
		 */
		qualifier?: string;

		/**
		 * The return-type of a function or type of a property/variable. Rendered rightmost.
		 */
		type?: string;
	}

	//#endregion


	//#region eamodio - timeline: https://github.com/microsoft/vscode/issues/84297

	export class TimelineItem {
		/**
		 * A timestamp (in milliseconds since 1 January 1970 00:00:00) for when the timeline item occurred.
		 */
		timestamp: number;

		/**
		 * A human-readable string describing the timeline item.
		 */
		label: string;

		/**
		 * Optional id for the timeline item. It must be unique across all the timeline items provided by this source.
		 *
		 * If not provided, an id is generated using the timeline item's timestamp.
		 */
		id?: string;

		/**
		 * The icon path or [ThemeIcon](#ThemeIcon) for the timeline item.
		 */
		iconPath?: Uri | { light: Uri; dark: Uri } | ThemeIcon;

		/**
		 * A human readable string describing less prominent details of the timeline item.
		 */
		description?: string;

		/**
		 * The tooltip text when you hover over the timeline item.
		 */
		detail?: string;

		/**
		 * The [command](#Command) that should be executed when the timeline item is selected.
		 */
		command?: Command;

		/**
		 * Context value of the timeline item. This can be used to contribute specific actions to the item.
		 * For example, a timeline item is given a context value as `commit`. When contributing actions to `timeline/item/context`
		 * using `menus` extension point, you can specify context value for key `timelineItem` in `when` expression like `timelineItem == commit`.
		 * ```
		 *	"contributes": {
		 *		"menus": {
		 *			"timeline/item/context": [
		 *				{
		 *					"command": "extension.copyCommitId",
		 *					"when": "timelineItem == commit"
		 *				}
		 *			]
		 *		}
		 *	}
		 * ```
		 * This will show the `extension.copyCommitId` action only for items where `contextValue` is `commit`.
		 */
		contextValue?: string;

		/**
		 * @param label A human-readable string describing the timeline item
		 * @param timestamp A timestamp (in milliseconds since 1 January 1970 00:00:00) for when the timeline item occurred
		 */
		constructor(label: string, timestamp: number);
	}

	export interface TimelineChangeEvent {
		/**
		 * The [uri](#Uri) of the resource for which the timeline changed.
		 */
		uri: Uri;

		/**
		 * A flag which indicates whether the entire timeline should be reset.
		 */
		reset?: boolean;
	}

	export interface Timeline {
		readonly paging?: {
			/**
			 * A provider-defined cursor specifying the starting point of timeline items which are after the ones returned.
			 * Use `undefined` to signal that there are no more items to be returned.
			 */
			readonly cursor: string | undefined;
		}

		/**
		 * An array of [timeline items](#TimelineItem).
		 */
		readonly items: readonly TimelineItem[];
	}

	export interface TimelineOptions {
		/**
		 * A provider-defined cursor specifying the starting point of the timeline items that should be returned.
		 */
		cursor?: string;

		/**
		 * An optional maximum number timeline items or the all timeline items newer (inclusive) than the timestamp or id that should be returned.
		 * If `undefined` all timeline items should be returned.
		 */
		limit?: number | { timestamp: number; id?: string };
	}

	export interface TimelineProvider {
		/**
		 * An optional event to signal that the timeline for a source has changed.
		 * To signal that the timeline for all resources (uris) has changed, do not pass any argument or pass `undefined`.
		 */
		onDidChange?: Event<TimelineChangeEvent | undefined>;

		/**
		 * An identifier of the source of the timeline items. This can be used to filter sources.
		 */
		readonly id: string;

		/**
		 * A human-readable string describing the source of the timeline items. This can be used as the display label when filtering sources.
		 */
		readonly label: string;

		/**
		 * Provide [timeline items](#TimelineItem) for a [Uri](#Uri).
		 *
		 * @param uri The [uri](#Uri) of the file to provide the timeline for.
		 * @param options A set of options to determine how results should be returned.
		 * @param token A cancellation token.
		 * @return The [timeline result](#TimelineResult) or a thenable that resolves to such. The lack of a result
		 * can be signaled by returning `undefined`, `null`, or an empty array.
		 */
		provideTimeline(uri: Uri, options: TimelineOptions, token: CancellationToken): ProviderResult<Timeline>;
	}

	export namespace workspace {
		/**
		 * Register a timeline provider.
		 *
		 * Multiple providers can be registered. In that case, providers are asked in
		 * parallel and the results are merged. A failing provider (rejected promise or exception) will
		 * not cause a failure of the whole operation.
		 *
		 * @param scheme A scheme or schemes that defines which documents this provider is applicable to. Can be `*` to target all documents.
		 * @param provider A timeline provider.
		 * @return A [disposable](#Disposable) that unregisters this provider when being disposed.
		*/
		export function registerTimelineProvider(scheme: string | string[], provider: TimelineProvider): Disposable;
	}

	//#endregion

	//#region https://github.com/microsoft/vscode/issues/86788

	export interface CodeActionProviderMetadata {
		/**
		 * Static documentation for a class of code actions.
		 *
		 * The documentation is shown in the code actions menu if either:
		 *
		 * - Code actions of `kind` are requested by VS Code. In this case, VS Code will show the documentation that
		 *   most closely matches the requested code action kind. For example, if a provider has documentation for
		 *   both `Refactor` and `RefactorExtract`, when the user requests code actions for `RefactorExtract`,
		 *   VS Code will use the documentation for `RefactorExtract` intead of the documentation for `Refactor`.
		 *
		 * - Any code actions of `kind` are returned by the provider.
		 */
		readonly documentation?: ReadonlyArray<{ readonly kind: CodeActionKind, readonly command: Command }>;
	}

	//#endregion

	//#region Dialog title: https://github.com/microsoft/vscode/issues/82871

	/**
	 * Options to configure the behaviour of a file open dialog.
	 *
	 * * Note 1: A dialog can select files, folders, or both. This is not true for Windows
	 * which enforces to open either files or folder, but *not both*.
	 * * Note 2: Explicitly setting `canSelectFiles` and `canSelectFolders` to `false` is futile
	 * and the editor then silently adjusts the options to select files.
	 */
	export interface OpenDialogOptions {
		/**
		 * Dialog title.
		 *
		 * Depending on the underlying operating system this parameter might be ignored, since some
		 * systems do not present title on open dialogs.
		 */
		title?: string;
	}

	/**
	 * Options to configure the behaviour of a file save dialog.
	 */
	export interface SaveDialogOptions {
		/**
		 * Dialog title.
		 *
		 * Depending on the underlying operating system this parameter might be ignored, since some
		 * systems do not present title on save dialogs.
		 */
		title?: string;
	}

	//#endregion

}