| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| 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/common/types/traits | Package traits defines interfaces that a type may implement to participate in operator overloads and function dispatch. |
| k8s.io/apiserver/pkg/cel | |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |