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

block_params: 
comment: 
- !ruby/struct:SM::Flow::H 
  level: 4
  text: Returns
- !ruby/struct:SM::Flow::P 
  body: Value of If-Modified-Since request header.
- !ruby/struct:SM::Flow::P 
  body: ":api: private"
full_name: Merb::Request#if_modified_since
is_singleton: false
name: if_modified_since
params: ()
visibility: public
