code: public static EcKey fromJsonWebKey(JsonWebKey jwk) throws NoSuchAlgorithmException, InvalidAlgorithmParameterException, InvalidKeySpecException, NoSuchProviderException {
          return fromJsonWebKey(jwk, false, null);
      }
docs: Converts JSON web key to EC key pair, does not include the private key.
  @param jwk
  @return EcKey
  @throws NoSuchAlgorithmException
  @throws InvalidAlgorithmParameterException
  @throws InvalidKeySpecException
  @throws NoSuchProviderException