@Override
	protected TableColumnDescriptor<SourcePathTransformRecord> createTableColumnDescriptor() {
		TableColumnDescriptor<SourcePathTransformRecord> descriptor = new TableColumnDescriptor<>();
		descriptor.addVisibleColumn(new SourceColumn());
		descriptor.addVisibleColumn(new TargetColumn());
		descriptor.addVisibleColumn(new IsDirectoryTransformColumn());
		return descriptor;
	}
Returns the program used to populate the table 
@return program
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/sourcefilestable/TransformerTableModel.java