| bytes | Package bytes implements functions for the manipulation of byte slices. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/google/cel-go/common/ast | Package ast declares data structures useful for parsed and checked abstract syntax trees |
| 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. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |