PFNGLFRAMEBUFFERTEXTURELAYERPROCDart typedef
        PFNGLFRAMEBUFFERTEXTURELAYERPROCDart =
     void Function(int target, int attachment, int texture, int level, int layer)
    
    
    
Implementation
typedef PFNGLFRAMEBUFFERTEXTURELAYERPROCDart =
    void Function(
      int target,
      int attachment,
      int texture,
      int level,
      int layer,
    );