@Deprecated
  public static Keyset getKeyset(final KeysetHandle handle) {
    try {
      return Keyset.parseFrom(
          TinkProtoKeysetFormat.serializeKeyset(handle, InsecureSecretKeyAccess.get()),
          ExtensionRegistryLite.getEmptyRegistry());
    } catch (GeneralSecurityException | IOException e) {
      throw new RuntimeException(e);
    }
  }
@return a {@code Keyset} from a {@code handle}.
@deprecated The return value of this function is a Keyset and typically should not be used.
    Instead, operate on the KeysetHandle directly.
java_src/src/main/java/com/google/crypto/tink/testing/TestUtil.java