public final static String toString(short type) {
		try {
			Field[] fields = MethodHandleType.class.getDeclaredFields();
			for (Field field : fields) {
				if (field.getShort(null) == type) {
					return field.getName();
				}
			}
		}
		catch (Exception e) {
			// ignore
		}
		return "MethodHandleType:" + type;
	}
an invoker for an interface method.
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/android/dex/format/MethodHandleType.java