def by_share_point_protection_policy_id(self,share_point_protection_policy_id: str) -> SharePointProtectionPolicyItemRequestBuilder:
        """
        Provides operations to manage the sharePointProtectionPolicies property of the microsoft.graph.backupRestoreRoot entity.
        param share_point_protection_policy_id: The unique identifier of sharePointProtectionPolicy
        Returns: SharePointProtectionPolicyItemRequestBuilder
        """
        if share_point_protection_policy_id is None:
            raise TypeError("share_point_protection_policy_id cannot be null.")
        from .item.share_point_protection_policy_item_request_builder import SharePointProtectionPolicyItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["sharePointProtectionPolicy%2Did"] = share_point_protection_policy_id
        return SharePointProtectionPolicyItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the sharePointProtectionPolicies property of the microsoft.graph.backupRestoreRoot entity.
        param share_point_protection_policy_id: The unique identifier of sharePointProtectionPolicy
        Returns: SharePointProtectionPolicyItemRequestBuilder
        
msgraph/generated/solutions/backup_restore/share_point_protection_policies/share_point_protection_policies_request_builder.py