code: def _get_vqsr_training(filter_type, vrn_files, gatk_type):
      
      params = []
      for name, train_info, fname in _get_training_data(vrn_files)[filter_type]:
          if gatk_type == "gatk4":
              params.extend(["--resource:%s,%s" % (name, train_info), fname])
              if filter_type == "INDEL":
                  params.extend(["--max-gaussians", "4"])
          else:
              params.extend(["-resource:%s,VCF,%s" % (name, train_info), fname])
              if filter_type == "INDEL":
                  params.extend(["--maxGaussians", "4"])
      return params
docs: Return parameters for VQSR training, handling SNPs and Indels.