--- !ruby/object:RI::MethodDescription 
aliases: 
- !ruby/object:RI::AliasName 
  name: key?
- !ruby/object:RI::AliasName 
  name: include?
block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Returns true if a given parameter key exists in the query.
full_name: CGI::QueryExtension#has_key?
is_singleton: false
name: has_key?
params: (*args)
visibility: public