docs: public static int nvgraphExtractSubgraphByVertex(
          nvgraphHandle handle, 
          nvgraphGraphDescr descrG, 
          nvgraphGraphDescr subdescrG, 
          Pointer subvertices, 
          long numvertices)
      {
          return checkResult(nvgraphExtractSubgraphByVertexNative(handle, descrG, subdescrG, subvertices, numvertices));
      }