src/vs/workbench/contrib/debug/browser/debugMemory.ts/DebugMemoryFileSystemProvider/stat
class DebugMemoryFileSystemProvider:	public stat(file: URI): Promise<IStat> {
		const { readOnly } = this.parseUri(file);
		return Promise.resolve({
			type: FileType.File,
			mtime: 0,
			ctime: 0,
			size: 0,
			permissions: readOnly ? FilePermission.Readonly : undefined,
		});
	}