let default_genome_providers = [
Reference_genome.Specification.Default.Name.b37, pull_b37;
Reference_genome.Specification.Default.Name.b37decoy, pull_b37decoy;
Reference_genome.Specification.Default.Name.b38, pull_b38;
Reference_genome.Specification.Default.Name.hg38, pull_hg38;
Reference_genome.Specification.Default.Name.hg18, pull_hg18;
Reference_genome.Specification.Default.Name.hg19, pull_hg19;
Reference_genome.Specification.Default.Name.mm10, pull_mm10;
]