PFNGLGETPATHMETRICSNVPROCDart typedef
        PFNGLGETPATHMETRICSNVPROCDart =
     void Function(int metricQueryMask, int numPaths, int pathNameType, Pointer<NativeType>  paths, int pathBase, int stride, Pointer<Float>  metrics)
    
    
    
Implementation
typedef PFNGLGETPATHMETRICSNVPROCDart =
    void Function(
      int metricQueryMask,
      int numPaths,
      int pathNameType,
      Pointer<NativeType> paths,
      int pathBase,
      int stride,
      Pointer<Float> metrics,
    );