Package autoconfig contains a client for the auto-configuration streaming service.

Package basictypes contains types and constants that are used by multiple Relay packages and do not have any testable logic of their own.

Package core contains Relay Proxy core implementation components and internal APIs.

Package envfactory contains types related to service-driven environment configuration, shared by the autoconfig and filedata packages.

Package filedata contains logic for reading a file data source.

Package util provides general helpers used by Relay code.