371     const char* fileExtension() const override { return ""; }  in fileExtension()  function
391     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
449     const char* fileExtension() const override {  in fileExtension()  function
466     const char* fileExtension() const override {  in fileExtension()  function
507     const char* fileExtension() const override { return "pdf"; }  in fileExtension()  function
519     const char* fileExtension() const override { return "xps"; }  in fileExtension()  function
528     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
550     const char* fileExtension() const override { return "skp"; }  in fileExtension()  function
557     const char* fileExtension() const override { return "json"; }  in fileExtension()  function
566     const char* fileExtension() const override { return "svg"; }  in fileExtension()  function
581     const char* fileExtension() const override { return "png"; }  in fileExtension()  function
614     const char* fileExtension() const override {  in fileExtension()  function
651     const char* fileExtension() const override { return fSink->fileExtension(); }  in fileExtension()  function