override Int compare(Obj that)

Sort by name, then version

abstract LibDepend[] depends()

Dependencies of this library

abstract Str doc()

Summary information or empty string if not available

abstract Str name()

Library dotted name

static LibVersion[] orderByDepends(LibVersion[] libs)

Order a list of versions by their dependencies. Raise exception if the given list does not satisify all the internal dependencies or has circular dependencies.

abstract Version version()

Library version