public Response root(@Context Principal user,
@QueryParam(GetOpParam.NAME) GetOpParam op,
@QueryParam(FilterParam.NAME) @DefaultValue(FilterParam.DEFAULT) FilterParam filter,
@QueryParam(DoAsParam.NAME) @DefaultValue(DoAsParam.DEFAULT) DoAsParam doAs)
throws IOException, FileSystemAccessException {
return get(user, new FsPathParam(""), op, new OffsetParam(OffsetParam.DEFAULT),
new LenParam(LenParam.DEFAULT), filter, doAs,
new OverwriteParam(OverwriteParam.DEFAULT),
new BlockSizeParam(BlockSizeParam.DEFAULT),
new PermissionParam(PermissionParam.DEFAULT),
new ReplicationParam(ReplicationParam.DEFAULT));