NewDefault creates a new Fs with the OS file system as source and destination file systems.

NewFrom creates a new Fs based on the provided Afero Fs as source and destination file systems.

NewLanguageCompositeFs creates a composite and language aware filesystem.

NewMem creates a new Fs with the MemMapFs as source and destination file systems.

NewRootMappingFs creates a new RootMappingFs on top of the provided with a list of from, to string pairs of root mappings.

Os points to an Os Afero file system.

Fs abstracts the file system to separate source and destination file systems and allows both to be mocked for testing.

A RootMappingFs maps several roots into one.

FilePather is aware of its file's location.

LanguageAnnouncer is aware of its language.