PFNGLFRAMEBUFFERTEXTURE1DEXTPROCDart typedef
        PFNGLFRAMEBUFFERTEXTURE1DEXTPROCDart =
     void Function(int target, int attachment, int textarget, int texture, int level)
    
    
    
Implementation
typedef PFNGLFRAMEBUFFERTEXTURE1DEXTPROCDart =
    void Function(
      int target,
      int attachment,
      int textarget,
      int texture,
      int level,
    );