static MethodHandleType fromValue(int value) {
      for (MethodHandleType methodHandleType : values()) {
        if (methodHandleType.value == value) {
          return methodHandleType;
        }
      }
      throw new IllegalArgumentException(String.valueOf(value));
    }
A method handle type code:
https://source.android.com/devices/tech/dalvik/dex-format#method-handle-type-codes
android/android_framework/dex-maker/src/main/java/com/android/dex/MethodHandle.java