protected Type getOperandType() {
		return PcodeUseropLibrary.getOperandType(getClass());
	}
Determine the operand type by examining the type substituted for {@code T}

@return the type of data processed by the userop
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/exec/AnnotatedPcodeUseropLibrary.java