class Aws::Query::ParamList::IoWrapper

def initialize(param_list)
  @param_list = param_list
  @io = StringIO.new(param_list.to_s)
end

def read(bytes = nil, output_buffer = nil)
  @io.read(bytes, output_buffer)
end

def rewind
  @io.rewind
end

def size
  @io.size
end