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:param usns: List of USN response instances from which to calculate merge.
:param beta_pockets: Dict keyed on service name: esm-infra, esm-apps
the values of which will be true of USN response instances
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be a dict with binary package name as keys and binary package metadata
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r0 r\ c C s8 i }| j �� D ]\}}|jdkrq||v r|||< q|S )z�Get a dict of any CVEPackageStatuses affecting this Ubuntu release.
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:param pkg_status: the CVEPackageStatus for this source package.
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