269853
Designed as a plugin for an IDE ( e.g. , Visual Studio , Eclipse ) they visualized the direct relationship of a class and its methods with other classes in the software system and mark potential quality defects to warn the developer .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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