tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/engine/json/CoreGsonHelper.java [71:81]:
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  public static Gson getPrettyInstance() {
    if (gsonPretty == null) {
      GsonBuilder prettyBuilder = new GsonBuilder()
          .setPrettyPrinting()
          .excludeFieldsWithoutExposeAnnotation();
      GsonHelper.registerAdapters(prettyBuilder, registerAdapters());
      gsonPretty = prettyBuilder.create();
    }

    return gsonPretty;
  }
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tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/json/CatalogGsonHelper.java [60:70]:
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  public static Gson getPrettyInstance() {
    if (gsonPretty == null) {
      GsonBuilder prettyBuilder = new GsonBuilder()
          .setPrettyPrinting()
          .excludeFieldsWithoutExposeAnnotation();
      GsonHelper.registerAdapters(prettyBuilder, registerAdapters());
      gsonPretty = prettyBuilder.create();
    }

    return gsonPretty;
  }
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tajo-common/src/main/java/org/apache/tajo/json/CommonGsonHelper.java [51:61]:
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  public static Gson getPrettyInstance() {
    if (gsonPretty == null) {
      GsonBuilder prettyBuilder = new GsonBuilder()
          .setPrettyPrinting()
          .excludeFieldsWithoutExposeAnnotation();
      GsonHelper.registerAdapters(prettyBuilder, registerAdapters());
      gsonPretty = prettyBuilder.create();
    }

    return gsonPretty;
  }
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