[#BloombergLP-ball-operator_lshift-000] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/ball.adoc[ball]::operator<< :relfileprefix: ../../ :mrdocs: Format the specified `rhs` to the specified output `stream` and return a reference to the modifiable `stream`. == Synopsis Declared in `<ball_severity.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- std::ostream& operator<<( std::ostream& stream, xref:BloombergLP/ball/Severity/Level.adoc[Severity::Level] rhs); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#