use NotSupportedError for symbols that require the ability to launch...

use NotSupportedError for symbols that require the ability to launch processes, https://github.com/microsoft/vscode/issues/101857

src/vs/base/common/errors.ts

@@ -203,3 +203,12 @@ export class NotImplementedError extends Error {
 		}
 	}
 }
+
+export class NotSupportedError extends Error {
+	constructor(message?: string) {
+		super('NotSupported');
+		if (message) {
+			this.message = message;
+		}
+	}
+}

src/vs/workbench/api/common/extHostTask.ts

@@ -26,7 +26,7 @@ import * as Platform from 'vs/base/common/platform';
 import { ILogService } from 'vs/platform/log/common/log';
 import { IExtHostApiDeprecationService } from 'vs/workbench/api/common/extHostApiDeprecationService';
 import { USER_TASKS_GROUP_KEY } from 'vs/workbench/contrib/tasks/common/taskService';
-import { NotImplementedError } from 'vs/base/common/errors';
+import { NotSupportedError } from 'vs/base/common/errors';
 
 export interface IExtHostTask extends ExtHostTaskShape {
 
@@ -717,7 +717,7 @@ export class WorkerExtHostTask extends ExtHostTaskBase {
 		if (CustomExecutionDTO.is(dto.execution)) {
 			await this.addCustomExecution(dto, task, false);
 		} else {
-			throw new NotImplementedError();
+			throw new NotSupportedError();
 		}
 
 		// Always get the task execution first to prevent timing issues when retrieving it later

src/vs/workbench/api/common/extHostTerminalService.ts

@@ -18,7 +18,7 @@ import { Disposable as VSCodeDisposable, EnvironmentVariableMutatorType } from '
 import { IExtensionDescription } from 'vs/platform/extensions/common/extensions';
 import { ISerializableEnvironmentVariableCollection } from 'vs/workbench/contrib/terminal/common/environmentVariable';
 import { localize } from 'vs/nls';
-import { NotImplementedError } from 'vs/base/common/errors';
+import { NotSupportedError } from 'vs/base/common/errors';
 import { serializeEnvironmentVariableCollection } from 'vs/workbench/contrib/terminal/common/environmentVariableShared';
 
 export interface IExtHostTerminalService extends ExtHostTerminalServiceShape {
@@ -819,11 +819,11 @@ export class EnvironmentVariableCollection implements vscode.EnvironmentVariable
 
 export class WorkerExtHostTerminalService extends BaseExtHostTerminalService {
 	public createTerminal(name?: string, shellPath?: string, shellArgs?: string[] | string): vscode.Terminal {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 
 	public createTerminalFromOptions(options: vscode.TerminalOptions): vscode.Terminal {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 
 	public getDefaultShell(useAutomationShell: boolean, configProvider: ExtHostConfigProvider): string {
@@ -832,19 +832,19 @@ export class WorkerExtHostTerminalService extends BaseExtHostTerminalService {
 	}
 
 	public getDefaultShellArgs(useAutomationShell: boolean, configProvider: ExtHostConfigProvider): string[] | string {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 
 	public $spawnExtHostProcess(id: number, shellLaunchConfigDto: IShellLaunchConfigDto, activeWorkspaceRootUriComponents: UriComponents, cols: number, rows: number, isWorkspaceShellAllowed: boolean): Promise<ITerminalLaunchError | undefined> {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 
 	public $getAvailableShells(): Promise<IShellDefinitionDto[]> {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 
 	public async $getDefaultShellAndArgs(useAutomationShell: boolean): Promise<IShellAndArgsDto> {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 
 	public $acceptWorkspacePermissionsChanged(isAllowed: boolean): void {

src/vs/workbench/services/extensions/browser/webWorkerFileSystemProvider.ts

@@ -7,7 +7,7 @@ import { FileSystemProviderCapabilities, IStat, FileType, FileDeleteOptions, Fil
 import { Event } from 'vs/base/common/event';
 import { IDisposable, Disposable } from 'vs/base/common/lifecycle';
 import { URI } from 'vs/base/common/uri';
-import { NotImplementedError } from 'vs/base/common/errors';
+import { NotSupportedError } from 'vs/base/common/errors';
 
 export class FetchFileSystemProvider implements IFileSystemProviderWithFileReadWriteCapability {
 
@@ -44,18 +44,18 @@ export class FetchFileSystemProvider implements IFileSystemProviderWithFileReadW
 
 	// error implementations
 	writeFile(_resource: URI, _content: Uint8Array, _opts: FileWriteOptions): Promise<void> {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 	readdir(_resource: URI): Promise<[string, FileType][]> {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 	mkdir(_resource: URI): Promise<void> {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 	delete(_resource: URI, _opts: FileDeleteOptions): Promise<void> {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 	rename(_from: URI, _to: URI, _opts: FileOverwriteOptions): Promise<void> {
-		throw new NotImplementedError();
+		throw new NotSupportedError();
 	}
 }