/usr/include/pbcopper/cli/ is in libpbcopper-dev 0.0.1+20161202-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/pbcopper/cli/CLI.h
/usr/include/pbcopper/cli/HelpPrinter.h
/usr/include/pbcopper/cli/Interface.h
/usr/include/pbcopper/cli/Option.h
/usr/include/pbcopper/cli/Parser.h
/usr/include/pbcopper/cli/PositionalArg.h
/usr/include/pbcopper/cli/Results.h
/usr/include/pbcopper/cli/SingleDashMode.h
/usr/include/pbcopper/cli/VersionPrinter.h
/usr/include/pbcopper/cli/internal/
/usr/include/pbcopper/cli/internal/Option-inl.h
/usr/include/pbcopper/cli/internal/Results-inl.h
/usr/include/pbcopper/cli/toolcontract/
/usr/include/pbcopper/cli/toolcontract/Config.h
/usr/include/pbcopper/cli/toolcontract/Driver.h
/usr/include/pbcopper/cli/toolcontract/InputFileType.h
/usr/include/pbcopper/cli/toolcontract/JsonPrinter.h
/usr/include/pbcopper/cli/toolcontract/OutputFileType.h
/usr/include/pbcopper/cli/toolcontract/ResolvedToolContract.h
/usr/include/pbcopper/cli/toolcontract/ResourceType.h
/usr/include/pbcopper/cli/toolcontract/Task.h
/usr/include/pbcopper/cli/toolcontract/TaskType.h
/usr/include/pbcopper/cli/toolcontract/internal/
/usr/include/pbcopper/cli/toolcontract/internal/Config-inl.h
/usr/include/pbcopper/cli/toolcontract/internal/Driver-inl.h
/usr/include/pbcopper/cli/toolcontract/internal/InputFileType-inl.h
/usr/include/pbcopper/cli/toolcontract/internal/OutputFileType-inl.h
/usr/include/pbcopper/cli/toolcontract/internal/Task-inl.h