| Name | Type | Description | Notes |
|---|---|---|---|
| chrom | String | The RefSeq/Genbank Accession.Version for the reference sequence. Despite the name (taken from the VCF standard) this does not need to be a chromosome. | |
| pos | Integer | The 1-based position of the first nucleotide in the reference allele string on its sequence | |
| ref | String | The reference allele, with padding nucleotide when required | |
| alt | String | Alternate allele, with padding nucleotide when required | |
| warnings | Warnings | [optional] |