CellIconShape

CellIconShape = "circle" | "square" | "diamond" | "triangleUp" | "triangleDown" | "triangleRight" | "check" | "cross" | "exclamation" | "bars" | "pie"

Defined in: src/core/document-model/types.ts:539

A conditional-format icon: a small glyph at the cell’s left, chosen by the value’s bucket (E-SHEET SC1c). Format-neutral — the xlsx layer maps Excel’s named icon families (3TrafficLights, 3Arrows, …) onto these shapes + colours.