| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/google/cel-go/common/operators | Package operators defines the internal function names of operators. |
| google.golang.org/genproto/googleapis/api/expr/v1alpha1 | |
| google.golang.org/protobuf/proto | Package proto provides functions operating on protocol buffer messages. |
| google.golang.org/protobuf/types/known/structpb | Package structpb contains generated types for google/protobuf/struct.proto. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |