Optional
Custom value formatter. Called at render time (flushOps), not capture time. Receives the raw value and maxValueLength. Defaults to summarizeValue().
Pluggable renderer for customizing narrative output. Unimplemented methods fall back to the default English renderer. See NarrativeFormatter docs.
Custom value formatter. Called at render time (flushOps), not capture time. Receives the raw value and maxValueLength. Defaults to summarizeValue().