--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: returns true/false/nil based on if data identified by the key &amp; parameters is persisted in the store.
- !ruby/struct:SM::Flow::P 
  body: "@param [#to_s] key the key used to identify an entry @param [Hash] parameters optional parameters used to identify an entry @return [TrueClass] true if the key and parameters match an entry in the store, false otherwise @raise [NotImplementedError] API method has not been implemented"
full_name: Merb::Cache::AbstractStore#exists?
is_singleton: false
name: exists?
params: (key, parameters = {})
visibility: public
