Need help in fixing Exporter after migrating from primefaces 7 to 8

[Prashant-Raghuvanshi]

Getting the following errors after upgrading the primefaces version cant find a solution to fix those issues please help.
ERROR MESSAGE
/////The type Exporter cannot be the superclass of CustomPdfWriter; a superclass must be a class//////
public class CustomPdfWriter extends Exporter {
///Logic

	@Override
	**ERROR MESSAGE**
	/////The method export(FacesContext, DataTable, String, boolean, boolean, String, MethodExpression, MethodExpression, ExporterOptions, MethodExpression) of type AnalysisReportPdfWriter must override or implement a supertype method//////
	public void export(FacesContext facesContext, DataTable table, String filename,
			boolean pageOnly, boolean selectionOnly, String encodingType,
			MethodExpression preProcessor, MethodExpression postProcessor, ExporterOptions argument1, MethodExpression argument2) throws IOException{
			////Logic
			}
					**ERROR MESSAGE**
			//////ColumnType cannot be resolved to a variable
			    	addColumnFacets(table, pdfTable, ColumnType.HEADER);

[melloware]

Please use the Community Discussions: https://github.com/orgs/primefaces/discussions/categories/primefaces