@SuppressWarnings("LiteProtoToString") // main purpose of toString is for debugging
  @Override
  public String toString() {
    return getKeysetInfo().toString();
  }
Extracts and returns the string representation of the {@link
com.google.crypto.tink.proto.KeysetInfo} of the managed keyset.
java_src/src/main/java/com/google/crypto/tink/KeysetHandle.java