| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/google/cel-go/cel | Package cel defines the top-level interface for the Common Expression Language (CEL). |
| github.com/google/cel-go/common/types | Package types contains the types, traits, and utilities common to all components of expression handling. |
| github.com/google/cel-go/common/types/ref | Package ref contains the reference interfaces used throughout the types components. |
| github.com/google/cel-go/ext | Package ext contains CEL extension libraries where each library defines a related set of constants, functions, macros, or other configuration settings which may not be covered by the core CEL spec. |
| testing | Package testing provides support for automated testing of Go packages. |