Type Alias: BarLabels
BarLabels =
BarLabelPolicy|BarLabelSpec
Defined in: layout/renderer.ts:119
What gantt.barLabels and EntryVariant.barLabels both take. The short form ('fitBar' etc.)
is the common case: policy only, name printed. { field, policy } is the expert form,
for a bar that prints a different Field, or a variant that overrides only one of the two (#421
C5).