private void fillinArrayLength(Record res) {
		res.tag = ConstantPool.ARRAY_LENGTH;
		res.token = "length";
		res.type = IntegerDataType.dataType;
	}
Map Ghidra's generic ConstantPool interface onto the Dex specific constant pool
Ghidra/Processors/Dalvik/src/main/java/ghidra/dalvik/dex/inject/ConstantPoolDex.java