GlMapNamedBufferRangeNative typedef
        GlMapNamedBufferRangeNative =
     Pointer<NativeType>  Function(Uint32 buffer, Int64 offset, Int64 length, Uint32 access)
    
    
    
Implementation
typedef GlMapNamedBufferRangeNative = Pointer Function(
    Uint32 buffer, Int64 offset, Int64 length, Uint32 access);