PFNGLINVALIDATETEXSUBIMAGEPROCDart typedef
        PFNGLINVALIDATETEXSUBIMAGEPROCDart =
     void Function(int texture, int level, int xoffset, int yoffset, int zoffset, int width, int height, int depth)
    
    
    
Implementation
typedef PFNGLINVALIDATETEXSUBIMAGEPROCDart =
    void Function(
      int texture,
      int level,
      int xoffset,
      int yoffset,
      int zoffset,
      int width,
      int height,
      int depth,
    );