Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.

  You may not impose any further restrictions on the exercise of the
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not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation

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 without considering its version. It's basically a ModuleId and an artifact name, type and extension, plus optional extra attributes. ArtifactRevisionId identifies an artifact of a module in a particular version. It is composed of a ModuleRevisionId along with artifact identifier like the name type and extension....