a b/recommendation-engine/src/main/java/eu/alfred/personalization_manager/model/Language.java 

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package eu.alfred.personalization_manager.model;






  
  

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public enum Language {






  
  

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  // The possible enumerations for language codes are based on the ISO 639-1 standard






  
  

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  DE,






  
  

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  EN,






  
  

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  FR,






  
  

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  NL,






  
  

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  SV,






  
  

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}