license.txt for "SPDX-License-Identifier: LicenseRef-BSD-5-Clause-Nordic" and "SPDX-License-Identifier: LicenseRef-Nordic-5-Clause"

There are source files (nRF Connect SDK) with two SPDX license indentifier: "SPDX-License-Identifier: LicenseRef-BSD-5-Clause-Nordic" and "SPDX-License-Identifier: LicenseRef-Nordic-5-Clause"

Where to find license.txt files for both licenses?

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