Feature position as [east, north, up] in metres, in the tile's ENU frame (dequantized:
position·scale + offset).
OptionalfeaturePer-feature id joined at upload, if featureIds was supplied to PointBillboardRenderer.upload.
Handle of the tile that owns the picked feature; see PointSymbolHandle.
Index of the feature within that tile (0-based, matches the upload order).
Symbol-class id of the picked feature (0 = default symbol).
Result of a successful
PointBillboardRenderer.pick— the feature under the cursor.