| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| 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/compiler/wasm | Package wasm contains an IR->WASM compiler backend. |
| github.com/open-policy-agent/opa/internal/future | |
| github.com/open-policy-agent/opa/internal/planner | Package planner contains a query planner for Rego queries. |
| github.com/open-policy-agent/opa/internal/rego/opa | |
| github.com/open-policy-agent/opa/internal/wasm/encoding | Package encoding implements WASM module reading and writing. |
| 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/ir | Package ir defines an intermediate representation (IR) for Rego. |
| github.com/open-policy-agent/opa/v1/loader | Package loader contains utilities for loading files into OPA. |
| 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/resolver | |
| github.com/open-policy-agent/opa/v1/storage | Package storage exposes the policy engine's storage layer. |
| 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/topdown | Package topdown provides low-level query evaluation support. |
| github.com/open-policy-agent/opa/v1/topdown/builtins | Package builtins contains utilities for implementing built-in functions. |
| github.com/open-policy-agent/opa/v1/topdown/cache | Package cache defines the inter-query cache interface that can cache data across queries |
| github.com/open-policy-agent/opa/v1/topdown/print | |
| github.com/open-policy-agent/opa/v1/tracing | Package tracing enables dependency-injection at runtime. |
| github.com/open-policy-agent/opa/v1/types | Package types declares data types for Rego values and helper functions to operate on these types. |
| 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. |
| maps | Package maps defines various functions useful with maps of any type. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |