381     const char* fileExtension() const override { return ""; }  in fileExtension()  function
400     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
435     const char* fileExtension() const override {  in fileExtension()  function
452     const char* fileExtension() const override {  in fileExtension()  function
469     const char* fileExtension() const override {  in fileExtension()  function
525     const char* fileExtension() const override { return "pdf"; }  in fileExtension()  function
536     const char* fileExtension() const override { return "xps"; }  in fileExtension()  function
545     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
559     const char* fileExtension() const override { return "skp"; }  in fileExtension()  function
566     const char* fileExtension() const override { return "json"; }  in fileExtension()  function
575     const char* fileExtension() const override { return "svg"; }  in fileExtension()  function
591     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
608     const char* fileExtension() const override { return fSink->fileExtension(); }  in fileExtension()  function