   </td>
  </tr>
  <tr>
    <td>version</td>
    <td>required</td>
    <td>All packages SHALL have a version that conforms to Semantic Versioning.
      See <a href="versions.html#versions">FHIR Versioning</a> for how 
      semantic versioning works with standards.
    </td>
  </tr>
  <tr>
    <td>dependencies</td>
    <td>required</td>
    <td>Any dependencies SHALL be listed here - that is, any other package that 
      contains resources referred to by the resources in the package. 
     