message: Make JwtEcdsaSignKeyManager.createKeyTemplate private.
diff: @@ -237,7 +237,7 @@ public final class JwtEcdsaSignKeyManager
  * Returns a {@link KeyTemplate} containing a {@link JwtEcdsaKeyFormat} with some specified
  * parameters.
  */
  - public static KeyTemplate createKeyTemplate(JwtEcdsaAlgorithm algorithm) {
  + private static KeyTemplate createKeyTemplate(JwtEcdsaAlgorithm algorithm) {
  JwtEcdsaKeyFormat format = JwtEcdsaKeyFormat.newBuilder().setAlgorithm(algorithm).build();
  return KeyTemplate.create(
  new JwtEcdsaSignKeyManager().getKeyType(),
  