| static void | DataLabelId. checkIfValid(DataLabelId id) | Checks if id passed as argument is not  null and its value is not  null as well and could be a valid label configuration object id. 
 If not, throw a  IllegalArgumentException. | 
| LabelItemBuilder | DataLabelsOptionsBuilder. createLabel(DataLabelId id) | Returns new options builder for new label identified by id. | 
| LabelItem | Labels. createLabel(DataLabelId id) | Returns new options for specific id. | 
| LabelItemBuilder | DataLabelsOptionsBuilder. getLabel(DataLabelId id) | Returns the options builder for label identified by id | 
| LabelItem | Labels. getLabel(DataLabelId id) | Returns the stored options for specific id. | 
| boolean | Labels. hasLabel(DataLabelId id) | Returns trueif there is a stored options for specific key. | 
| static boolean | DataLabelId. isValid(DataLabelId id) | Returns trueif id passed as argument is notnulland its value is notnullas well and could be a valid label configuration object
 id. | 
| void | Labels. removeLabel(DataLabelId id) | Removes an existing label for specific id. |