94     virtual const char* fileExtension() const  = 0;
338     const char* fileExtension() const override { return ""; }  in fileExtension()  function
361     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
393     const char* fileExtension() const override {  in fileExtension()  function
415     const char* fileExtension() const override {  in fileExtension()  function
428     const char* fileExtension() const override { return "pdf"; }  in fileExtension()  function
439     const char* fileExtension() const override { return "xps"; }  in fileExtension()  function
448     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
467     const char* fileExtension() const override { return "skp"; }  in fileExtension()  function
474     const char* fileExtension() const override { return "json"; }  in fileExtension()  function
483     const char* fileExtension() const override { return "svg"; }  in fileExtension()  function
496     const char* fileExtension() const override { return fSink->fileExtension(); }  in fileExtension()  function