New Change vs. new Patch Set
----------------------------

Example Commit Message with Change-Id

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Make lib.Repository abstract and lib.FileRepository its implementation

To support other storage models other than just the local filesystem,
will rename it into storage.file.FileRepository, but to do that we
need to also move a number of other related class, which we aren't
quite ready to do.

Change-Id: I1bd54ea0500337799a8e792874c272eb14d555f7
Signed-off-by: Joe Developer <joe@example.org>
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