@Override
	public void dataTypeDeleted(DataType dt) {
		// do nothing
	}
Get the {@link DataOrganization} which should be used by a {@link AbstractDataType} when 
associated with a specified {@link DataTypeManager dataMgr}.  If a null 
{@code dataMgr} is specified the default {@link DataOrganization} will be returned.
@param dataMgr datatype manager
@return the {@link DataOrganization} which should be used by a {@link AbstractDataType}
instance.
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/data/AbstractDataType.java