642     ) -> Result<Result<Resource<DynInputStream>, wasi::filesystem::types::ErrorCode>> {  in read_via_stream()
649     ) -> Result<Result<Resource<DynOutputStream>, wasi::filesystem::types::ErrorCode>> {  in write_via_stream()
655     ) -> Result<Result<Resource<DynOutputStream>, wasi::filesystem::types::ErrorCode>> {  in append_via_stream()
664     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in advise()
670     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in sync_data()
676 …  ) -> Result<Result<wasi::filesystem::types::DescriptorFlags, wasi::filesystem::types::ErrorCode>>  in get_flags()
683     ) -> Result<Result<wasi::filesystem::types::DescriptorType, wasi::filesystem::types::ErrorCode>>  in get_type()
691     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in set_size()
699     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in set_times()
707     ) -> Result<Result<(Vec<u8>, bool), wasi::filesystem::types::ErrorCode>> {  in read()
715     ) -> Result<Result<u64, wasi::filesystem::types::ErrorCode>> {  in write()
725             wasi::filesystem::types::ErrorCode,  in read_directory()
733     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in sync()
740     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in create_directory_at()
746     ) -> Result<Result<wasi::filesystem::types::DescriptorStat, wasi::filesystem::types::ErrorCode>>  in stat()
755     ) -> Result<Result<wasi::filesystem::types::DescriptorStat, wasi::filesystem::types::ErrorCode>>  in stat_at()
766     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in set_times_at()
776     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in link_at()
787         Result<Resource<wasi::filesystem::types::Descriptor>, wasi::filesystem::types::ErrorCode>,  in open_at()
795     ) -> Result<Result<String, wasi::filesystem::types::ErrorCode>> {  in readlink_at()
802     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in remove_directory_at()
811     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in rename_at()
819     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in symlink_at()
826     ) -> Result<Result<(), wasi::filesystem::types::ErrorCode>> {  in unlink_file_at()
840         Result<wasi::filesystem::types::MetadataHashValue, wasi::filesystem::types::ErrorCode>,  in metadata_hash()
850         Result<wasi::filesystem::types::MetadataHashValue, wasi::filesystem::types::ErrorCode>,  in metadata_hash_at()
866         Result<Option<wasi::filesystem::types::DirectoryEntry>, wasi::filesystem::types::ErrorCode>,  in read_directory_entry()
881     ) -> Result<Option<wasi::filesystem::types::ErrorCode>> {  in filesystem_error_code()