in lib/fluent/plugin/out_kinesis_producer.rb [22:31]
def configure(conf)
super
unless @stream_name or @stream_name_prefix
raise Fluent::ConfigError, "'stream_name' or 'stream_name_prefix' is required"
end
if @stream_name and @stream_name_prefix
raise Fluent::ConfigError, "Only one of 'stream_name' or 'stream_name_prefix' is allowed"
end
end