class Aws::Api::Customizer

def reshape_members(member_regex, modifications)
  if member_regex.is_a?(String)
    member_regex = /^#{member_regex}$/
  end
  @client_class.api.definition['shapes'].each do |shape_name, shape|
    if shape['members']
      shape['members'].each do |member_name, member_ref|
        if member_name.match(member_regex)
          shape['members'][member_name] = deep_merge(member_ref, modifications)
        end
      end
    end
  end
end