U:RDoc::AnyMethod[iI"
fetch:ETI"(ActionDispatch::Http::Headers#fetch;TF:publico:RDoc::Markup::Document:@parts[
o:RDoc::Markup::Paragraph;	[I"8Returns the value for the given key mapped to @env.;To:RDoc::Markup::BlankLineo;
;	[I"IIf the key is not found and an optional code block is not provided, ;TI"*raises a <tt>KeyError</tt> exception.;T@o;
;	[I"<If the code block is provided, then it will be run and ;TI"its result returned.;T:
@fileI"(lib/action_dispatch/http/headers.rb;T:0@omit_headings_from_table_of_contents_below00I";T[I"(key, default = DEFAULT);T@FI"Headers;TcRDoc::NormalClass00