private static void mergeGenotypes(
      GenotypesContext mergedGenotypes,
      VariantContext oneVC,
      AlleleMapper alleleMapping,
      boolean uniqifySamples) {
    for (Genotype g : oneVC.getGenotypes()) {
      String name = mergedSampleName(oneVC.getSource(), g.getSampleName(), uniqifySamples);
      if (!mergedGenotypes.containsSample(name)) {
        // only add if the name is new
        Genotype newG = g;

        if (uniqifySamples || alleleMapping.needsRemapping()) {
          final List<Allele> alleles =
              alleleMapping.needsRemapping() ? alleleMapping.remap(g.getAlleles()) : g.getAlleles();
          newG =
              new Genotype(
                  name,
                  alleles,
                  g.getLog10PError(),
                  g.getFilters(),
                  g.getAttributes(),
                  g.isPhased());
        }

        mergedGenotypes.add(newG);
      }
    }
  }