public static boolean isPassword(String category, String propertyName) {
    return isPassword(getConfigurationKey(category, propertyName));
  }
Indicates whether the given property's type is a {@link ConfigurationPropertyType#PASSWORD}

@param category     the name of the category
@param propertyName the name of the property
@return {@code true} in case the given property's type is
{@link ConfigurationPropertyType#PASSWORD}; {@code false} otherwise
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AmbariServerConfigurationUtils.java