U:RDoc::AnyMethod[iI"downcase_key:ETI"Rack::Headers#downcase_key;TF: privateo:RDoc::Markup::Document: @parts[: @fileI"lib/rack/headers.rb;T:0@omit_headings_from_table_of_contents_below000[I" (key);T@ FI" Headers;TcRDoc::NormalClass00