question: @ Deprecated public static JCDiagnostic fragment ( String key , Object ... args ) { return new JCDiagnostic ( getFragmentFormatter ( ) , FRAGMENT , null , EnumSet . noneOf ( DiagnosticFlag . class ) , null , null , "compiler." + FRAGMENT . key + "." + key , args ) ; }
target:  Create a fragment diagnostic, for use as an argument in other diagnostics