src/vs/workbench/services/configuration/browser/configurationService.ts/WorkspaceService/createMultiFolderWorkspace
class WorkspaceService:	private async createMultiFolderWorkspace(workspaceIdentifier: IWorkspaceIdentifier): Promise<Workspace> {
		await this.workspaceConfiguration.initialize({ id: workspaceIdentifier.id, configPath: workspaceIdentifier.configPath }, this.isWorkspaceTrusted);
		const workspaceConfigPath = workspaceIdentifier.configPath;
		const workspaceFolders = toWorkspaceFolders(this.workspaceConfiguration.getFolders(), workspaceConfigPath, this.uriIdentityService.extUri);
		const workspaceId = workspaceIdentifier.id;
		const workspace = new Workspace(workspaceId, workspaceFolders, workspaceConfigPath, uri => this.uriIdentityService.extUri.ignorePathCasing(uri));
		workspace.initialized = this.workspaceConfiguration.initialized;
		return workspace;
	}