| pkg/cache | Package cache defines a configuration cache for the server. |
| pkg/conversion | Package conversion contains shared utility functions for converting xDS resources. |
| pkg/log | Package log provides a logging interface for use in this library. |
| pkg/server | Package server provides an implementation of a streaming xDS server. |
| pkg/test | Package test contains test utilities |
| pkg/test/main | Package main contains the test driver for testing xDS manually. |
| pkg/test/resource | Package resource creates test xDS resources |
| pkg/wellknown | Package wellknown contains common names for filters, listeners, etc. |