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/*
* Copyright (c) 2024 Project CHIP Authors
* All rights reserved.
*
* 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
*
* http://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.
*/
#pragma once
#include "app/ConcreteClusterPath.h"
#include <app/util/af-types.h>
#include <lib/core/CHIPError.h>
#include <protocols/interaction_model/StatusCode.h>
#include <variant>
namespace chip {
namespace app {
namespace Ember {
/// Fetch the source for the given attribute path: either a cluster (for global ones) or attribute
/// path.
///
/// Possible return values:
/// - EmberAfAttributeMetadata (NEVER null) - if the attribute is known to ember datastore
/// - Status, only specifically for unknown attributes, may only be one of:
/// - Status::UnsupportedEndpoint
/// - Status::UnsupportedCluster
/// - Status::UnsupportedAttribute
std::variant<const EmberAfAttributeMetadata *, // a specific attribute stored by ember
Protocols::InteractionModel::Status // one of Status::Unsupported*
>
FindAttributeMetadata(const ConcreteAttributePath & aPath);
} // namespace Ember
} // namespace app
} // namespace chip