Method note_multiline

mypy/build.py:1582–1586

(
        self, line: int | None, msg: str, code: ErrorCode | None = None, *, only_once: bool = False
    )

        self.errors.report(line, column, msg, code, severity="note", only_once=only_once)

    def note_multiline(
        self, line: int | None, msg: str, code: ErrorCode | None = None, *, only_once: bool = False
    ) -> None:
        for msg_line in dedent(msg.lstrip("\n")).splitlines():
            self.note(line, msg_line, code, only_once=only_once)


def deps_to_json(x: dict[str, set[str]]) -> bytes: