public static ConfigurationPropertyType getConfigurationPropertyType(String category, String propertyName) {
    return getConfigurationPropertyType(getConfigurationKey(category, propertyName));
  }
Returns the {@link ConfigurationPropertyType} for the specified Ambari Server configuration property

@param category     the name of the category
@param propertyName the name of the property
@return the type of the given category/property if such category/property
exists; {@link ConfigurationPropertyType#UNKNOWN} otherwise
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AmbariServerConfigurationUtils.java