/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/ is in golang-github-syndtr-goleveldb-dev 0.0~git20170725.0.b89cc31-2.
This file is owned by root:root, with mode 0o755.
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/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/file_storage.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/file_storage_nacl.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/file_storage_plan9.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/file_storage_solaris.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/file_storage_test.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/file_storage_unix.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/file_storage_windows.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/mem_storage.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/mem_storage_test.go
/usr/share/gocode/src/github.com/syndtr/goleveldb/leveldb/storage/storage.go