| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| github.com/open-policy-agent/opa/server/types | Deprecated: This package is intended for older projects transitioning from OPA v0.x and will remain for the lifetime of OPA v1.x, but its use is not recommended. |
| github.com/open-policy-agent/opa/storage | Package storage exposes the policy engine's storage layer. |
| github.com/open-policy-agent/opa/topdown | Package topdown provides low-level query evaluation support. |
| net/http | Package http provides HTTP client and server implementations. |