# Functions
Modules returns a list of all Maven modules at the directory of pomFilePath and below.
PomFileGraph returns simply the list of dependencies listed within the manifest file.
ResolveManifestFromTarget tries to determine what target is supposed to be and then reads the POM manifest file pointed to by target if it is a path to such a file or module.
# Structs
A Manifest represents a POM manifest file.
A MvnModule can identify a Maven project with the target path.
# Type aliases
level is 1-indexed.