StringPropertyMap getCallFixupMap(boolean create) {
		PropertyMapManager usrPropertyManager = program.getUsrPropertyManager();
		StringPropertyMap callFixupMap = usrPropertyManager.getStringPropertyMap(CALLFIXUP_MAP);
		if (callFixupMap == null && create) {
			try {
				callFixupMap = usrPropertyManager.createStringPropertyMap(CALLFIXUP_MAP);
			}
			catch (DuplicateNameException e) {
				Msg.error(this, "Failed to define CallFixup due to conflicting property map name");
			}
		}
		if (callFixupMap != null) {
			// TODO: should really listen for changes made to map and generate function event
			// callFixupMap.addChangeListener(this);
		}
		return callFixupMap;
	}
Remove parameter symbols which correspond to the 'this' parameter for all
__thiscall functions using dynamic storage.
NOTE: This method intended to be called by ProgramDB only during appropriate upgrade.
@param monitor
@throws CancelledException
@throws IOException
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/function/FunctionManagerDB.java