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Must have one or multiple expiration attributes.
ExpirationDays and ExpirationDate attributes are mutually - exclusive.
ObsoleteExpirationDays and ObsoleteExprirationDate attributes are mutually - exclusive.
Expiration Time Rule
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The gateway supports SCSP reads & writes of domain and bucket headers with lifecycle policies specified. Gateway S3 interface is modified to support GET, PUT, DELETE, and related permissions (GetLifecycleConfiguration and PutLifecycleConfiguration) for bucket lifecycle policies as specified in the S3 documentation. Gateway validates policies against the S3 specification. On PUT or DELETE permission, the gateway translates the client-supplied bucket policy specifications into the appropriate Swarm bucket headers. Bucket lifecycle policy features provided via S3 that Swarm does not support (such as storage class transitions) are dropped during this translation. On the bucket lifecycle policy GET reply, Gateway performs reverse translation for any Policy-Lifecycle headers on the bucket object into an S3-compatible format.
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