// Copyright 2025 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.common.internal;

import com.google.errorprone.annotations.Immutable;
import com.google.protobuf.MessageLite;
import dev.cel.protobuf.CelLiteDescriptor.MessageLiteDescriptor;
import java.util.Optional;

/**
 * CelLiteDescriptorPool allows lookup of {@link MessageLiteDescriptor} by its fully qualified name.
 */
@Immutable
public interface CelLiteDescriptorPool {
  Optional<MessageLiteDescriptor> findDescriptor(String protoTypeName);

  Optional<MessageLiteDescriptor> findDescriptor(MessageLite messageLite);

  MessageLiteDescriptor getDescriptorOrThrow(String protoTypeName);
}
