Returns the (current) value of the variable with given name in a Promise
Name of the variable
Returns a list of all (current) usable variables.
Assigns the given value to the variable with given name (as definition) and returns a Promise which must be resolved after the update.
Name of the variable
Value to be set (as definition)
Propagates variable updates to the TrueChartCore.
Update data as key value pair Object/Map where the key is the variable name and the value the variable content. If the variable content is an empty object, the variable will be treated as "to be removed".
IVariableStorage Variable feature interface