extensions/typescript-language-features/src/utils/managedFileContext.ts/ManagedFileContextManager/updateContext
class ManagedFileContextManager:	private updateContext(newValue: boolean) {
		if (newValue === this.isInManagedFileContext) {
			return;
		}

		vscode.commands.executeCommand('setContext', ManagedFileContextManager.contextName, newValue);
		this.isInManagedFileContext = newValue;
	}