Returns a description of the tree rooted at this node. If the prefix argument is provided, then every line in the output will be prefixed by that string.
Source
String toStringDeep([String prefixLineOne = '', String prefixOtherLines = '']) {
RenderObject debugPreviousActiveLayout = _debugActiveLayout;
_debugActiveLayout = null;
String result = '$prefixLineOne$this\n';
final String childrenDescription = debugDescribeChildren(prefixOtherLines);
final String descriptionPrefix = childrenDescription != '' ? '$prefixOtherLines \u2502 ' : '$prefixOtherLines ';
List<String> description = <String>[];
debugFillDescription(description);
result += description
.expand((String description) => debugWordWrap(description, 65, wrapIndent: ' '))
.map/*<String>*/((String line) => "$descriptionPrefix$line\n")
.join();
if (childrenDescription == '')
result += '$prefixOtherLines\n';
result += childrenDescription;
_debugActiveLayout = debugPreviousActiveLayout;
return result;
}