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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: "Returns a content type string such as &quot;html&quot;. This method returns nil if Content-Type: header field does not exist or sub-type is not given (e.g. &quot;Content-Type: text&quot;)."
full_name: Net::HTTPHeader#sub_type
is_singleton: false
name: sub_type
params: ()
visibility: public