Create an empty, mutable org.dianahep.histogrammar.UntypedLabeling.
Help text that can be queried interactively: more detail than
Create an immutable org.dianahep.histogrammar.UntypedLabeled from arguments (instead of JSON).
Weighted number of entries (sum of all observed weights).
Names (strings) associated with containers of any type except org.dianahep.histogrammar.Counted.
Reconstructs a container of known type from JSON.
Help text that can be queried interactively: a one-liner that can be included in a menu.
Name of the concrete
Factory as a string; used to label the container type in JSON.