Sets and gets the options to configure the multi-level labels.
number
| Date
| string
Specifies the end value of the multi-level label.
Defaults to null
number
Specifies the maximum width of the text for multi-level label.
Defaults to null
number
| Date
| string
Specifies the start value of the multi-level label.
Defaults to null
string
Specifies the text for multi-level label.
Defaults to ”