static String getKeyType() {
    return "type.googleapis.com/google.crypto.tink.JwtRsaSsaPssPublicKey";
  }
This key manager produces new instances of {@code JwtRsaSsaPss1Verify}. It doesn't support key
generation.
java_src/src/main/java/com/google/crypto/tink/jwt/JwtRsaSsaPssVerifyKeyManager.java