f:Bundle timestamp: minimum cardinality of 'timestamp' is 1 link: maximum cardinality of 'link' is 0 f:Bundle/f:entry link: maximum cardinality of 'link' is 0 link: maximum cardinality of 'link' is 0 resource: minimum cardinality of 'resource' is 1 link: maximum cardinality of 'link' is 0 resource: minimum cardinality of 'resource' is 1