| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/open-policy-agent/opa/internal/bundle | |
| github.com/open-policy-agent/opa/internal/config | Package config implements helper functions to parse OPA's configuration. |
| github.com/open-policy-agent/opa/v1/ast | Package ast declares Rego syntax tree types and also includes a parser and compiler for preparing policies for execution in the policy engine. |
| github.com/open-policy-agent/opa/v1/bundle | Package bundle implements bundle loading. |
| github.com/open-policy-agent/opa/v1/config | Package config implements OPA configuration file parsing and validation. |
| github.com/open-policy-agent/opa/v1/download | Package download implements low-level OPA bundle downloading. |
| github.com/open-policy-agent/opa/v1/hooks | |
| github.com/open-policy-agent/opa/v1/keys | |
| github.com/open-policy-agent/opa/v1/logging | |
| github.com/open-policy-agent/opa/v1/metrics | Package metrics contains helpers for performance metric management inside the policy engine. |
| github.com/open-policy-agent/opa/v1/plugins | Package plugins implements plugin management for the policy engine. |
| github.com/open-policy-agent/opa/v1/plugins/bundle | Package bundle implements bundle loading. |
| github.com/open-policy-agent/opa/v1/plugins/logs | Package logs implements decision log buffering and uploading. |
| github.com/open-policy-agent/opa/v1/plugins/status | Package status implements status reporting. |
| github.com/open-policy-agent/opa/v1/rego | Package rego exposes high level APIs for evaluating Rego policies. |
| github.com/open-policy-agent/opa/v1/storage/inmem | Package inmem implements an in-memory version of the policy engine's storage layer. |
| github.com/open-policy-agent/opa/v1/util | Package util provides generic utilities used throughout the policy engine. |
| io | Package io provides basic interfaces to I/O primitives. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |