@Override
	public boolean isLocked() {
		return transactionMgr.isLocked();
	}
This method can be used to perform property list alterations resulting from renamed or obsolete
property paths.  This should only be invoked during an upgrade.
WARNING! Should only be called during construction of domain object
@see OptionsDB#performAlterations(Map)
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/DomainObjectAdapterDB.java