NOTE: AwsSum is now deprecated. Please use aws-sdk instead.
This is the base class for all Amazon services. It defines a few things such as constants and the constructor expects certain variables to be passed in, which are common across (most) services.
It also defines two other base classes which include signing for AWS Signature v2 and AWS Signature v4. Your base class can inherit from these rather than the plain base class.
There are many examples of service plugins for Amazon, so please take a look at the following repos: