multivalent.std.span
Classes 
ActionSpan
AnchorSpan
AwkSpan
BackgroundSpan
BIUSpan
BlinkSpan
BoldSpan
BoxSpan
CapSpan
DeleteSpan
ElideSpan
FamilySpan
FontSpan
ForegroundSpan
HyperlinkSpan
InsertSpan
InvisibleSpan
ItalicSpan
LabelSpan
MonospacedSpan
MoveTextSpan
Notemark
OutlineSpan
OverstrikeSpan
PlainSpan
PointSpan
RelPointSpan
ReplaceWithSpan
ScriptSpan
SelectionSpan
SidebarSpan
SignalSpan
StrokeSpan
SubSupSpan
UnderlineSpan