private Enum doGetEnumDataType() {
		EquateRowObject equateEntry = getRowObject();
		return (equateEntry != null) ? equateEntry.getEnumDataType() : null;
	}
Get's the user selected entry in the dialog and returns the enum data type for that entry
@return the enum data type for the selected entry, or null if there is no enum.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bean/SetEquateDialog.java