ListingField getField(Object obj, ProxyObj<?> proxy, int varWidth) {
		if (!enabled) {
			return null;
		}
		if (obj instanceof Instruction) {
			return getFieldForInstruction((Instruction) obj, proxy, varWidth);
		}
		else if (obj instanceof Data) {
			return getFieldForData((Data) obj, proxy, varWidth);
		}
		return null;
	}
Constructor
@param name the name of the field.
@param model the model that the field belongs to.
@param hlProvider the HightlightProvider.
@param displayOptions the Options for display properties.
@param fieldOptions the Options for field specific properties.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/OperandFieldHelper.java