645
645
_GCGraphIndex(self._pack_collection.inventory_index.combined_index,
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646
add_callback=self._pack_collection.inventory_index.add_callback,
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647
parents=True, is_locked=self.is_locked,
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649
access=self._pack_collection.inventory_index.data_access)
650
650
self.revisions = GroupCompressVersionedFiles(
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651
_GCGraphIndex(self._pack_collection.revision_index.combined_index,