precision, and vice versa.
</p>


<h3 id="Order_of_evaluation">Order of evaluation</h3>

<p>
At package level, <a href="#Package_initialization">initialization dependencies</a>
determine the evaluation order of individual initialization expressions in
<a href="#Variable_declarations">variable declarations</a>.
Otherwise, when evaluating the <a href="#Operands">operands</a> of an
expression, assignment, or

- Added CEL runtime cost calculation into ValidatingAdmissionPolicy, matching the evaluation cost
  restrictions that already apply to CustomResourceDefinition.
  If rule evaluation uses more compute than the limit, the API server aborts the evaluation and the
  admission check that was being performed is aborted; the `failurePolicy` for the ValidatingAdmissionPolicy

- Added enforcement of an upper cost bound for DRA evaluations of CEL. The API server and scheduler now enforce an upper bound on the cost and runtime steps required for evaluating a CEL expression. ([#128101](https://github.com/kubernetes/kubernetes/pull/128101), [@pohly](https://github.com/pohly)) [SIG API Machinery and Node]

*   Added experimental support for an exactly-once visitation guarantee for evaluating Keras models trained with `tf.distribute ParameterServerStrategy`, via the `exact_evaluation_shards` argument in `Model.fit` and `Model.evaluate`.

- Fix bug in CRD Validation Rules (beta) and ValidatingAdmissionPolicy (alpha) where all admission requests could result in `internal error: runtime error: index out of range [3] with length 3 evaluating rule: <rule name>` under certain circumstances. ([#114864](https://github.com/kubernetes/kubernetes/pull/114864), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery]

- Fix bug in CRD Validation Rules (beta) and ValidatingAdmissionPolicy (alpha) where all admission requests could result in `internal error: runtime error: index out of range [3] with length 3 evaluating rule: <rule name>` under certain circumstances. ([#114861](https://github.com/kubernetes/kubernetes/pull/114861), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery, Auth and Cloud Provider]

        assertEquals(109, engine.evaluate("return 109", params));

        engine.close();
    }

    /**
     * Test that cached scripts do not leak binding state between evaluations.
     * Verifies that local variables in one evaluation do not affect the next.
     */
    @Test
    public void test_evaluate_noStateLeakBetweenEvaluations() {
        final GroovyEngine engine = new GroovyEngine();

- Fix bug in CRD Validation Rules (beta) and ValidatingAdmissionPolicy (alpha) where all admission requests could result in `internal error: runtime error: index out of range [3] with length 3 evaluating rule: <rule name>` under certain circumstances. ([#114865](https://github.com/kubernetes/kubernetes/pull/114865), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery]

 * interface.
 */
class EnhancedConfigurationConverter extends ObjectWithFieldsConverter {

    // Cache for expression evaluation results to avoid repeated evaluations
    private static final ConcurrentMap<String, Object> EXPRESSION_CACHE = new ConcurrentHashMap<>();

    protected Object fromExpression(

     *
     * @return evaluation result with no relevant documents
     */
    public static RelevanceEvaluationResult noRelevantResults() {
        return new RelevanceEvaluationResult(Collections.emptyList(), Collections.emptyList(), false);
    }

    /**
     * Creates a fallback result that includes all documents as relevant.
     * Used when evaluation fails and we want to include all search results.
     *