def additional_sources(self) -> AdditionalSourcesRequestBuilder:
        """
        Provides operations to manage the additionalSources property of the microsoft.graph.security.ediscoverySearch entity.
        """
        from .additional_sources.additional_sources_request_builder import AdditionalSourcesRequestBuilder

        return AdditionalSourcesRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the additionalSources property of the microsoft.graph.security.ediscoverySearch entity.
        
msgraph/generated/security/cases/ediscovery_cases/item/searches/item/ediscovery_search_item_request_builder.py