module AWS::EC2::TaggedCollection

collection.tagged('live').tagged('webserver')

Filter the collection to items tagged 'live' AND 'webserver'

collection.tagged('live', 'test')

Filter the collection to items items tagged 'live' OR 'test'

AND them together call tagged multiple times (chained).
tag keys they will be be treated as OR conditions. If you want to
Filter the collection by one or more tag keys. If you pass multiple

def tagged *keys
  filter('tag-key', *keys)
end

collection.tagged('stage').tagged_values('production')

AND them together call tagged multiple times (chained).
tag values they will be be treated as OR conditions. If you want to
Filter the collection by one or more tag values. If you pass multiple

def tagged_values *values
  filter('tag-value', *values)
end