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a1 Process any contract access deltas for this entitlement.
:param orig_access: Dictionary containing the original
resourceEntitlement access details.
:param deltas: Dictionary which contains only the changed access keys
and values.
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operation. When False, a message will be logged to inform the user
about the recommended enabled service.
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We process caCerts before remoteServer because changing remote-server
in the canonical-livepatch CLI performs a PUT against the new server name.
If new caCerts were required for the new remoteServer, this
canonical-livepatch client PUT could fail on unmatched old caCerts.
@raises: ProcessExecutionError if unable to configure livepatch.
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