getCollectionColumns method
Implementation
Map<String, bool> getCollectionColumns(
JSONRender render, NodeKey nodeKey, List<Map> list) {
var columns = <String, bool>{};
var length = list.length;
for (var i = 0; i < length; ++i) {
var elem = list[i];
var entryNodeKey = nodeKey.append('$i');
extractColumns(render, elem, entryNodeKey, columns);
}
return columns;
}