Represents a delete step in a Snap.Bulk operation.
Supports the following fields:
id- the document ID to delete (required)index- the index to delete from, if not specified on the bulk operationrequire_alias- whentrue, the destination must be an index aliasrouting- the custom routing value for the documentversion- the explicit version number, for optimistic concurrency controlversion_type- one of:internal,:externalor:external_gteif_seq_no- only perform the action if the document has this sequence numberif_primary_term- only perform the action if the document has this primary term