# Source code for rdflib.plugins.sparql.results.graph

    from __future__ import annotations

    from typing import IO, Optional

    from rdflib.graph import Graph
    from rdflib.query import Result, ResultParser

    class GraphResultParser(ResultParser):
        # type error: Signature of "parse" incompatible with supertype "ResultParser"

        def parse(self, source: IO, content_type: Optional[str]) -> Result:  # type: ignore[override]
            res = Result("CONSTRUCT")  # hmm - or describe?type_)
            res.graph = Graph()
            res.graph.parse(source, format=content_type)

            return res