def by_ediscovery_case_id(self,ediscovery_case_id: str) -> EdiscoveryCaseItemRequestBuilder:
        """
        Provides operations to manage the ediscoveryCases property of the microsoft.graph.security.casesRoot entity.
        param ediscovery_case_id: The unique identifier of ediscoveryCase
        Returns: EdiscoveryCaseItemRequestBuilder
        """
        if ediscovery_case_id is None:
            raise TypeError("ediscovery_case_id cannot be null.")
        from .item.ediscovery_case_item_request_builder import EdiscoveryCaseItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["ediscoveryCase%2Did"] = ediscovery_case_id
        return EdiscoveryCaseItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the ediscoveryCases property of the microsoft.graph.security.casesRoot entity.
        param ediscovery_case_id: The unique identifier of ediscoveryCase
        Returns: EdiscoveryCaseItemRequestBuilder
        
msgraph/generated/security/cases/ediscovery_cases/ediscovery_cases_request_builder.py