365     const char* fileExtension() const override { return ""; }  in fileExtension()  function
385     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
443     const char* fileExtension() const override {  in fileExtension()  function
460     const char* fileExtension() const override {  in fileExtension()  function
501     const char* fileExtension() const override { return "pdf"; }  in fileExtension()  function
513     const char* fileExtension() const override { return "xps"; }  in fileExtension()  function
522     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
544     const char* fileExtension() const override { return "skp"; }  in fileExtension()  function
551     const char* fileExtension() const override { return "json"; }  in fileExtension()  function
560     const char* fileExtension() const override { return "svg"; }  in fileExtension()  function
575     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
608     const char* fileExtension() const override {  in fileExtension()  function
633     const char* fileExtension() const override { return fSink->fileExtension(); }  in fileExtension()  function