class Faraday::Utils::ParamsHash

def [](key)
  super(convert_key(key))
end

def []=(key, value)
  super(convert_key(key), value)
end

def convert_key(key)
  key.to_s
end

def delete(key)
  super(convert_key(key))
end

def include?(key)
  super(convert_key(key))
end

def merge(params)
  dup.update(params)
end

def merge_query(query, encoder = nil)
  return self unless query && !query.empty?
  update((encoder || Utils.default_params_encoder).decode(query))
end

def replace(other)
  clear
  update(other)
end

def to_query(encoder = nil)
  (encoder || Utils.default_params_encoder).encode(self)
end

def update(params)
  params.each do |key, value|
    self[key] = value
  end
  self
end