mobius-rx/src/main/java/com/spotify/mobius/rx/RxMobius.java [311:326]:
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      checkNotNull(effectClass);
      //noinspection ResultOfMethodCallIgnored
      checkNotNull(effectHandler);

      for (Class<?> cls : effectPerformerMap.keySet()) {
        if (cls.isAssignableFrom(effectClass) || effectClass.isAssignableFrom(cls)) {
          throw new IllegalArgumentException(
              "Effect classes may not be assignable to each other, collision found: "
                  + effectClass.getSimpleName()
                  + " <-> "
                  + cls.getSimpleName());
        }
      }

      effectPerformerMap.put(
          effectClass,
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mobius-rx3/src/main/java/com/spotify/mobius/rx3/RxMobius.java [153:167]:
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      checkNotNull(effectClass);
      checkNotNull(effectHandler);

      for (Class<?> cls : effectPerformerMap.keySet()) {
        if (cls.isAssignableFrom(effectClass) || effectClass.isAssignableFrom(cls)) {
          throw new IllegalArgumentException(
              "Effect classes may not be assignable to each other, collision found: "
                  + effectClass.getSimpleName()
                  + " <-> "
                  + cls.getSimpleName());
        }
      }

      effectPerformerMap.put(
          effectClass,
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