src/vs/workbench/contrib/bulkEdit/browser/bulkEditService.ts/BulkEditService/_saveAll
class BulkEditService:	private async _saveAll(resources: readonly URI[]) {
		const set = new ResourceSet(resources);
		const saves = this._workingCopyService.dirtyWorkingCopies.map(async (copy) => {
			if (set.has(copy.resource)) {
				await copy.save();
			}
		});

		const result = await Promise.allSettled(saves);
		for (const item of result) {
			if (item.status === 'rejected') {
				this._logService.warn(item.reason);
			}
		}
	}