code: @BetaApi
    public final Region getRegion(ProjectRegionName region) {
  
      GetRegionHttpRequest request =
          GetRegionHttpRequest.newBuilder()
              .setRegion(region == null ? null : region.toString())
              .build();
      return getRegion(request);
    }
docs: Returns the specified Region resource. Gets a list of available regions by making a list()
  request.
  
  <p>Sample code:
  
  <pre><code>
  try (RegionClient regionClient = RegionClient.create()) {
  ProjectRegionName region = ProjectRegionName.of("[PROJECT]", "[REGION]");
  Region response = regionClient.getRegion(region);
  }
  </code></pre>
  
  @param region Name of the region resource to return.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails