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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 StyleChange {
public:
T before;
T after;
};
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, StyleChange<T>> changed;
};
using ImmutableImage = Immutable<style::Image::Impl>;
using ImageDifference = StyleDifference<ImmutableImage>;
ImageDifference diffImages(const Immutable<std::vector<ImmutableImage>>&,
const Immutable<std::vector<ImmutableImage>>&);
using ImmutableSource = Immutable<style::Source::Impl>;
using SourceDifference = StyleDifference<ImmutableSource>;
SourceDifference diffSources(const Immutable<std::vector<ImmutableSource>>&,
const Immutable<std::vector<ImmutableSource>>&);
using ImmutableLayer = Immutable<style::Layer::Impl>;
using LayerDifference = StyleDifference<ImmutableLayer>;
LayerDifference diffLayers(const Immutable<std::vector<ImmutableLayer>>&,
const Immutable<std::vector<ImmutableLayer>>&);
bool hasLayoutDifference(const LayerDifference&, const std::string& layerID);
} // namespace mbgl
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