Protos returns a cel.EnvOption to configure extended macros and functions for proto manipulation. Note, all macros use the 'proto' namespace; however

QualifyIfPresent qualifies the object if the qualifier is declared or defined on the object. The 'presenceOnly' flag indicates that the value is not n

RegisterMessage registers a protocol buffer message and its dependencies.

RegisterType registers a type value with the provider which ensures the provider is aware of how to map the type to an identifier. If a type is provi

SerializeTypeDesc converts a CEL native *types.Type to a serializable TypeDesc.

SetContainer configures the container name for this configuration.

SetDisabled disables or enables the library.

SingletonFunctionBinding creates a singleton function definition to be used with all function overloads. Note, this approach works well if operand is

SingletonUnaryBinding creates a singleton function definition to be used for all function overloads. Note, this approach works well if operand is exp

Source returns a view of the input used to create the Ast. This source may be complete or constructed from the SourceInfo.

Subtract returns the result of subtracting the input from the current value.

TestExpression returns a TestRunnerOption which configures a policy file, expression file, or raw expression for testing

ToAdornedDebugString gives the adorned string representation of the Expr.

Unparse takes an input expression and source position information and generates a human-readable expression. Note, unparsing an AST will often genera

Unwrap returns the Activation which omits local state.

estimateAllocatingListCall computes cost as a function of the size of the result list with a baseline cost for the call dispatch and the associated li

isDyn returns true if the input t is either type DYN or a well-known ANY message.

Abbrevs configures a set of simple names as abbreviations for fully-qualified names. An abbreviation (abbrev for short) is a simple name that expands

AddExcludedFunctions deny-lists one or more functions from the subset.

AliasSet returns the alias to fully-qualified name mapping stored in the container.

Append collects the issues from another Issues struct into a new Issues object.

AsCost converts a size estimates to an equivalent cost estimate.

AsPartialActivation converts the current activation to a PartialActivation

AstToParsedExpr converts an Ast to an protobuf ParsedExpr value.

BindingsVersion sets the version of the bindings library to an explicit version.

CheckedExprToAst converts a checked expression proto message to an Ast.

CheckedType returns the type-definition used at type-check time.

ComputeOffset calculates the 0-based character offset from a 1-based line and 0-based column.

ConstantValueMatcher returns an ExprMatcher which will return true if the input NavigableExpr is comprised of all constant values, such as a simple li

CustomDecoratorV2 configures a custom V2 interpretable decorator for the program.

CustomTypeAdapter swaps the default types.Adapter implementation with a custom one. Note: This option must be specified before the Types and TypeDesc

CustomTypeProvider replaces the types.Provider implementation with a custom one. The `provider` variable type may either be types.Provider or ref.Typ

DeclarationIsEquivalent returns true if one variable declaration has the same name and same type as the input.

DeclareContextProto returns an option to extend CEL environment with declarations from the given context proto. Each field of the proto defines a vari

EnableIdentifierEscapeSyntax enables identifier escaping (`) syntax for fields.

Encoders returns a cel.EnvOption to configure extended functions for string, byte, and object encodings. # Base64.Decode Decodes base64-encoded stri

EnumValue returns the numeric value of the given enum value name.

Equals returns whether two references are identical to each other.

ErrorRecoveryLookaheadTokenLimit limits the number of lexer tokens that may be considered during error recovery. Error recovery often involves lookin

Errors returns the collection of errors encountered in more granular detail.

EvalStateFactory configures the EvalState generator to be used by the EvalStateObserver.

ExhaustiveEval replaces operations that short-circuit with versions that evaluate expressions and couples this behavior with the TrackState() decorato

Extend creates a new Container with the existing settings and applies a series of ContainerOptions to further configure the new container.

ExtendedValidations collects a set of common AST validations which reduce the likelihood of runtime errors. - Validate duration and timestamp literal

ExtensionOptionFactory converts an ExtensionConfig value to a CEL environment option.

FieldMap returns a string field name to FieldDescription map.

FieldFieldType returns the field type for a checked type value. Returns false if the field could not be found.

FindType looks up the Type given a qualified typeName. Returns false if not found.

Functions returns a shallow copy of the Functions, keyed by function name, that have been configured in the environment.

GetArgs returns the args token list.

GetOps returns the ops token list.

GetOpt returns the opt token.

HasFeature checks whether the environment enables the given feature flag, as enumerated in options.go.

HasLibrary returns whether a specific SingletonLibrary has been configured in the environment.

IsAssignableRuntimeType determines whether the current type is runtime assignable from the input runtimeType. At runtime, parameterized types are era

IsNonStrict returns whether the overload accepts errors and unknown values as arguments.

JSONFieldNames supports accessing protocol buffer fields by json-name. Enabling JSON field name support will create a copy of the types.Registry with

K8sTestTagHandler returns a TagVisitor which handles custom policy tags used in K8s policies. This is a helper function to be used in tests.

LineOffsets gives the character offsets at which lines occur. The zero-th entry should refer to the break between the first and second line, or EOF if

MatchSubset applies an ExprMatcher to a list of NavigableExpr values and their descendants, producing a subset of NavigableExpr values which match.

Matches returns the list of matches associated with the rule.

MaxRecursionDepth limits the maximum depth the parser will attempt to parse the expression before giving up.

MaybeMergeUnknowns determines whether an input value and another, possibly nil, unknown will produce an unknown result. If the input `val` is another

MaybeNoSuchOverload determines whether to propagate an error if one is provided as an argument, or to return an unknown set, or to produce a new error

NewActivation returns an activation based on a map-based binding where the map keys are expected to be qualified names used with ResolveName calls. T

NewExtensionVersion creates a new extension version with a major, minor version.

NewFunctionReference creates a ReferenceInfo instance for a set of function overloads.

NewHierarchicalActivation takes two activations and produces a new one which prioritizes resolution in the child first and parent(s) second.

NewInlineVariableWithAlias declares a variable name to be replaced by a checked expression. If the variable occurs more than once, the provided alias

NewIssuesWithSourceInfo returns an Issues struct from a common.Errors object with SourceInfo metatata which can be used with the `ReportErrorAtID` met

NewMap creates an Expr value representing a map literal expression

NewRefValMap returns a specialized traits.Mapper with CEL valued keys and values.

NewRuleComposer creates a rule composer which stitches together rules within a policy into a single CEL expression.

NewSelect create a field traversal Expr value.

NewVariableWithDoc creates a new variable declaration with usage documentation.

OffsetLocation returns the Location of the expression identifier.

OverloadID returns the overload id associated with the function specialization. Overload ids are stable across language boundaries and can be treated

Parse parses the expression represented by source and returns the result.

ParseStructTag configures the struct tag to parse. The 0th item in the tag is used as the name of the CEL field. For example: If the tag to parse is "

RegisterDescriptor registers the contents of a protocol buffer `FileDescriptor`.

ReportErrorAtID reports an error at the given expression id.

SetDisableMacros disables the macros for the library.