class Rack::Utils::HeaderHash

:nodoc:
@api private
header when set.
A wrapper around Headers

def self.[](headers)

Other tags:
    Api: - private 
def self.[](headers)
  warn "Rack::Utils::HeaderHash is deprecated and will be removed in Rack 3.1, switch to Rack::Headers", uplevel: 1
  if headers.is_a?(Headers) && !headers.frozen?
    return headers
  end
  new_headers = Headers.new
  headers.each{|k,v| new_headers[k] = v}
  new_headers
end

def self.allocate 

def self.allocate
  raise TypeError, "cannot allocate HeaderHash"
end

def self.new(hash = {}) 

def self.new(hash = {})
  warn "Rack::Utils::HeaderHash is deprecated and will be removed in Rack 3.1, switch to Rack::Headers", uplevel: 1
  headers = Headers.new
  hash.each{|k,v| headers[k] = v}
  headers
end