question: public JCDiagnostic create ( DiagnosticType kind , DiagnosticSource source , DiagnosticPosition pos , String key , Object ... args ) { return create ( kind , null , EnumSet . noneOf ( DiagnosticFlag . class ) , source , pos , key , args ) ; }
target:  Create a new diagnostic of the given kind, which is not mandatory and which has no lint category.