class Aws::ElasticsearchService::Types::GetUpgradeStatusRequest

@return [String]
characters: a-z (lowercase), 0-9, and - (hyphen).
start with a letter or number and can contain the following
the domains owned by an account within an AWS region. Domain names
The name of an Elasticsearch domain. Domain names are unique across
@!attribute [rw] domain_name
Container for request parameters to ‘ GetUpgradeStatus ` operation.