rt between the formats automatically. 
</p>
<p>
The following table summarizes the state of the R3:R4 maps for each resource type.
</p>
<p>
Note the following:
</p>
<ul>
 <li>Transforms are tested using the following method:
  <ol>
   <li>For each example resource in the R3 release of the FHIR specification that has a transform to R4</li>
   <li>apply the transform to R4</li>
   <li>validate against the R4 specification</li>
   <li>apply the reverse transform back to R3</li>
   <li>compare th