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Common Expression Language Validators for Java

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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package dev.cel.runtime;

import com.google.errorprone.annotations.Immutable;
import dev.cel.common.annotations.Internal;

/**
 * Represent an expression which can be interpreted repeatedly using a given activation.
 *
 * CEL Library Internals. Do Not Use.
 */
@Immutable
@Internal
public interface Interpretable {

  /** Runs interpretation with the given activation which supplies name/value bindings. */
  Object eval(GlobalResolver resolver) throws InterpreterException;

  Object eval(GlobalResolver resolver, CelEvaluationListener listener) throws InterpreterException;
}