Add const/references to all signal parameters
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@@ -48,8 +48,8 @@ class TagFetcher : public QObject {
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void Cancel();
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signals:
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void Progress(Song original_song, QString stage);
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void ResultAvailable(Song original_song, SongList songs_guessed, QString error = QString());
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void Progress(const Song &original_song, const QString &stage);
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void ResultAvailable(const Song &original_song, const SongList &songs_guessed, const QString &error = QString());
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private slots:
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void FingerprintFound(const int index);
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