class Faraday::Request

def self.create(request_method) 

def self.create(request_method)
  new(request_method).tap do |request|
    yield(request) if block_given?
  end
end

def [](key) 

def [](key)
  headers[key]
end

def []=(key, value) 

def []=(key, value)
  headers[key] = value
end

def headers=(hash)

Public: Replace request headers, preserving the existing hash type 
def headers=(hash)
  if headers
    headers.replace hash
  else
    super
  end
end

def params=(hash)

Public: Replace params, preserving the existing hash type 
def params=(hash)
  if params
    params.replace hash
  else
    super
  end
end

def to_env(connection)

:ssl - Hash of options for configuring SSL requests.
:password - Proxy server password
:user - Proxy server username
:uri - Proxy Server URI
:proxy - Hash of proxy options
:open_timeout - read timeout Integer in seconds
:timeout - open/read timeout Integer in seconds
:request - Hash of options for configuring the request.
:parallel_manager - sent if the connection is in parallel mode
:response_headers - Hash of HTTP headers from the server
:request_headers - hash of HTTP Headers to be sent to the server
:status - HTTP response status code
:url - URI instance for the current request.
:body - the request body that will eventually be converted to a string.
:method - a symbolized request method (:get, :post)
ENV Keys 
def to_env(connection)
  Env.new(method, body, connection.build_exclusive_url(path, params),
    options, headers, connection.ssl, connection.parallel_manager)
end

def url(path, params = nil) 

def url(path, params = nil)
  if path.respond_to? :query
    if query = path.query
      path = path.dup
      path.query = nil
    end
  else
    anchor_index = path.index('#')
    path = path.slice(0, anchor_index) unless anchor_index.nil?
    path, query = path.split('?', 2)
  end
  self.path = path
  self.params.merge_query query, options.params_encoder
  self.params.update(params) if params
end