End of the segment's span in the field text (exclusive).
Start of the segment's span in the field text (inclusive).
The raw segment text (surrounding whitespace included; the , separators excluded).
Whether the segment parses to a single range — colored + evaluable when true.
One comma-segment of a
'reference'field's text — the unit the host chrome colors and hit-tests. The SAME split the picker sync uses (splitReferenceSegments), so segment indexiIS picker range indexi: coloring segmentiwith the picker palette (PICKER_COLORS[i % n]) matches its on-grid rectangle exactly. (A'formula'field colors by TOKEN instead — see FormulaInputApi.tokens.)