question: public String displayNodeWithInstrumentation ( Node node ) { if ( node == null ) { return "null" ; } final StringBuilder sb = new StringBuilder ( ) ; sb . append ( displayNodeName ( node ) ) ; sb . append ( "(" ) ; sb . append ( displayTags ( node ) ) ; if ( node . getParent ( ) instanceof WrapperNode ) { sb . append ( ",Probed" ) ; } sb . append ( ") " ) ; sb . append ( displaySourceInfo ( node ) ) ; return sb . toString ( ) ; }
target:  Creates a textual display describing a single (non-wrapper) node, including instrumentation status: if Probed, and any tags.