Users that wish to configure static credentials can use the `:access_key_id` and `:secret_access_key` constructor options. @api private
@return [Credentials]
@option options [Credentials] :credentials @option options [String] :access_key_id @option options [String] :secret_access_key @option options [String] :session_token (nil)
# File lib/aws-sigv4/credentials.rb, line 47 def initialize(options = {}) @credentials = options[:credentials] ? options[:credentials] : Credentials.new(options) end