
Mvalve::Reader - Mvalve Reader

Fetches the next available message.
Checks whethere there are pending retries for that particular destination.
throttler holds the Data::Throttler instance that does the dirty work of determining if a message needs to be throttled or not
$self->throttler( {
module => "Data::Throttler::Memcached",
} );
timeout specifies the timeout value while we wait to read from the queue.