def by_resource_specific_permission_grant_id(self,resource_specific_permission_grant_id: str) -> ResourceSpecificPermissionGrantItemRequestBuilder:
        """
        Provides operations to manage the permissionGrants property of the microsoft.graph.chat entity.
        param resource_specific_permission_grant_id: The unique identifier of resourceSpecificPermissionGrant
        Returns: ResourceSpecificPermissionGrantItemRequestBuilder
        """
        if resource_specific_permission_grant_id is None:
            raise TypeError("resource_specific_permission_grant_id cannot be null.")
        from .item.resource_specific_permission_grant_item_request_builder import ResourceSpecificPermissionGrantItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["resourceSpecificPermissionGrant%2Did"] = resource_specific_permission_grant_id
        return ResourceSpecificPermissionGrantItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the permissionGrants property of the microsoft.graph.chat entity.
        param resource_specific_permission_grant_id: The unique identifier of resourceSpecificPermissionGrant
        Returns: ResourceSpecificPermissionGrantItemRequestBuilder
        
msgraph/generated/chats/item/permission_grants/permission_grants_request_builder.py