This class can be used to create AWS Signature V4 for low-level AWS REST APIs. You can either provide credentials for this API using the options in the constructor, or let them be aquired automatically through environment variables.

Parse the given string of xml.

pooledMap transforms values from an (async) iterable into another async iterable. The transforms are done concurrently, with a max concurrency defined by the poolLimit.

The AWS credentials to use for signing.

Generic AWS Signer interface