involved in dependency management. As identifiers, they do not store any information on the module content and detailed metadata (like dependencies). Classes ModuleId is used as the identifier of module, without considering its version. It's basically an organization and module name couple. ModuleRevisionId is used as the identifier of a module in a particular version or version constraint. It is composed of a ModuleId, a revision, and optionally a branch and extra attributes. ArtifactId identifies an artifact...