f:DocumentReference
modifierExtension: maximum cardinality of 'modifierExtension' is 0
masterIdentifier: minimum cardinality of 'masterIdentifier' is 1
identifier: maximum cardinality of 'identifier' is 0
docStatus: maximum cardinality of 'docStatus' is 0
category: maximum cardinality of 'category' is 1
subject: minimum cardinality of 'subject' is 1
content: maximum cardinality of 'content' is 1
f:DocumentReference/f:content/f:attachment
id: maximum cardinality of 'id' is 1
contentType: minimum cardinality of 'contentType' is 1
contentType: maximum cardinality of 'contentType' is 1
language: maximum cardinality of 'language' is 1
data: minimum cardinality of 'data' is 1
data: maximum cardinality of 'data' is 1
url: maximum cardinality of 'url' is 0
size: maximum cardinality of 'size' is 1
hash: maximum cardinality of 'hash' is 1
title: maximum cardinality of 'title' is 1
creation: maximum cardinality of 'creation' is 1