def create_db_subnet_group(options = {})
      resp = @client.create_db_subnet_group(options)
      DBSubnetGroup.new(
        name: resp.data.db_subnet_group.db_subnet_group_name,
        data: resp.data.db_subnet_group,
        client: @client
      )
    end
def create_db_subnet_group(options = {})
      resp = @client.create_db_subnet_group(options)
      DBSubnetGroup.new(
        name: resp.data.db_subnet_group.db_subnet_group_name,
        data: resp.data.db_subnet_group,
        client: @client
      )
    end
@example Request syntax with placeholder values

   dbsubnetgroup = rds.create_db_subnet_group({
     db_subnet_group_name: "String", # required
     db_subnet_group_description: "String", # required
     subnet_ids: ["String"], # required
     tags: [
       {
         key: "String",
         value: "String",
       },
     ],
   })
 @param [Hash] options ({})
 @option options [required, String] :db_subnet_group_name
   The name for the DB subnet group. This value is stored as a lowercase
   string.

   Constraints: Must contain no more than 255 letters, numbers, periods,
   underscores, spaces, or hyphens. Must not be default.

   Example: `mySubnetgroup`
 @option options [required, String] :db_subnet_group_description
   The description for the DB subnet group.
 @option options [required, Array<String>] :subnet_ids
   The EC2 Subnet IDs for the DB subnet group.
 @option options [Array<Types::Tag>] :tags
   A list of tags. For more information, see [Tagging Amazon RDS
   Resources][1] in the *Amazon RDS User Guide.*



   [1]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_Tagging.html
 @return [DBSubnetGroup]