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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <memory>
#include <vespa/vespalib/data/memory.h>
namespace vespalib::slime {
/**
* Interface used to access external memory. External memory does not
* need to be copied when added to a Slime object. The Memory obtained
* by calling the get function must be valid until the object
* implementing this interface is destructed.
**/
struct ExternalMemory {
using UP = std::unique_ptr<ExternalMemory>;
virtual Memory get() const = 0;
virtual ~ExternalMemory() = default;
};
} // namespace vespalib::slime
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