public java.lang.String getRegion() {
        java.lang.Object ref = region_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          region_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
<pre>
Specifies the region to sign requests with. This can be left blank if
requests should be signed with an empty region.
</pre>

<code>string region = 5;</code>

@return The region.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java