public int getDataSize() {
		return isValid ? dataSize : null;
	}
Holds the disassembled string of an instruction and the extra information
(type, number of bytes disassembled to produce instruction, etc.) of bytes
disassembled by the GNU disassembler.
Ghidra/Extensions/SleighDevTools/src/main/java/ghidra/app/util/disassemble/GnuDisassembledInstruction.java