Verbatim unique SPDX copyright/license notices preserved from the v3.12.0 single header.
Source: https://github.com/nlohmann/json/blob/v3.12.0/single_include/nlohmann/json.hpp

// SPDX-FileCopyrightText: 2013 - 2025 Niels Lohmann <https://nlohmann.me>
// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2016 - 2021 Evan Nemerson <evan@nemerson.com>
// SPDX-FileCopyrightText: 2018 The Abseil Authors
// SPDX-FileCopyrightText: 2008 - 2009 Björn Hoehrmann <bjoern@hoehrmann.de>
// SPDX-FileCopyrightText: 2009 Florian Loitsch <https://florian.loitsch.com/>
