src/vs/workbench/services/configuration/browser/configurationService.ts/WorkspaceService/validateWorkspaceFoldersAndReload
class WorkspaceService:	private async validateWorkspaceFoldersAndReload(fromCache: boolean): Promise<void> {
		const validWorkspaceFolders = await this.toValidWorkspaceFolders(this.workspace.folders);
		const { removed } = this.compareFolders(this.workspace.folders, validWorkspaceFolders);
		if (removed.length) {
			await this.updateWorkspaceConfiguration(validWorkspaceFolders, this.workspaceConfiguration.getConfiguration(), fromCache);
		}
	}