def __init__(self,
                 relation_types=None,
                 entity_types=None,
                 document_ids=None):
        """
        Initialize a QueryRelationsFilter object.

        :param QueryFilterType relation_types: (optional)
        :param QueryFilterType entity_types: (optional)
        :param list[str] document_ids: (optional) A comma-separated list of document IDs
        to include in the query.
        """
        self.relation_types = relation_types
        self.entity_types = entity_types
        self.document_ids = document_ids
def __init__ ( self , relation_types = None , entity_types = None , document_ids = None ) : self . relation_types = relation_types self . entity_types = entity_types self . document_ids = document_ids
Initialize a QueryRelationsFilter object.

        :param QueryFilterType relation_types: (optional)
        :param QueryFilterType entity_types: (optional)
        :param list[str] document_ids: (optional) A comma-separated list of document IDs
        to include in the query.