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#pragma once
#include <mbgl/style/image_impl.hpp>
#include <mbgl/style/source_impl.hpp>
#include <mbgl/style/layer_impl.hpp>
#include <mbgl/util/immutable.hpp>
#include <mbgl/util/variant.hpp>
#include <unordered_map>
namespace mbgl {
template <class T>
class StyleDifference {
public:
std::unordered_map<std::string, T> added;
std::unordered_map<std::string, T> removed;
std::unordered_map<std::string, std::array<T, 2>> changed;
};
using ImmutableImage = Immutable<style::Image::Impl>;
using ImageDifference = StyleDifference<ImmutableImage>;
ImageDifference diffImages(const std::vector<ImmutableImage>&,
const std::vector<ImmutableImage>&);
using ImmutableSource = Immutable<style::Source::Impl>;
using SourceDifference = StyleDifference<ImmutableSource>;
SourceDifference diffSources(const std::vector<ImmutableSource>&,
const std::vector<ImmutableSource>&);
using ImmutableLayer = Immutable<style::Layer::Impl>;
using LayerDifference = StyleDifference<ImmutableLayer>;
LayerDifference diffLayers(const std::vector<ImmutableLayer>&,
const std::vector<ImmutableLayer>&);
bool hasLayoutDifference(const LayerDifference&, const std::string& layerID);
} // namespace mbgl
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